{
  "manageEntity": {
    "action": "Update",
    "entityId": "47150955",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraiu475hwzi3qs4t27chyflkxv473l74w5tiv53cepugj6nd2wh5ja\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1159530167},{\"type\":\"playlist\",\"playlist_id\":1108679895}]}}}",
    "nonce": "0xa8a296db03369458f7159d2cdba2a9e0a5b0d0c27e46a854b73d578374284261",
    "signature": "0x0ba8ac5438ff3bbed94828bc7a68742a4397b829266d4b1ef6595c8f02e5a3ec74660e247c0aebea750b6f00c3bc2870d335d801f20d41918a6bd151c96b76381c",
    "signer": "0x645AAbB3BF848412862B16580BBDb4CEeBBf2EE6",
    "userId": "47150955"
  }
}