{
  "manageEntity": {
    "action": "Update",
    "entityId": "471930786",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x24844b1324d01eaec04a1cc150987ce264426695bd77ee2e1fe4ff85963405b2",
    "signature": "0xd11e2a084d94335be0dac984e1e692b2eb3a4b28477761f75f6e8972ef1c2a00548e9596b17640eba75cb1c02a2f2f68afc6738022088e38f2be5ac1e2bf95b71b",
    "signer": "0x30eF7Aad3d46C55a6cC16401B3c73d76ba29FF09",
    "userId": "471930786"
  }
}