{
  "manageEntity": {
    "action": "Update",
    "entityId": "130012468",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5kzrmuxyfqfxjjm3pdg27lcforpncuhcixhqjnpludn26e45627a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":933464280},{\"type\":\"playlist\",\"playlist_id\":176390756}]}}}",
    "nonce": "0xb0a55a1a821cd8715f6b42e5bd7357b82885a08c73dc2d371723820c630fca3c",
    "signature": "0x1ae904c19ada472541444476cd4367fd498903983622fd69edc594c91d37ac9b496348c41514fc5dc706eb47a3d36e496f7a503c692417f31c8cc6be7eff27bf1c",
    "signer": "0x730e23d02530b0D1eB43E7C03E51a2113e66Cd23",
    "userId": "130012468"
  }
}