{
  "manageEntity": {
    "action": "Update",
    "entityId": "319177310",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8118fceda3c84394f54bcfbb4470551cebdd4cbae8fa9309c2ac53e741361460",
    "signature": "0xcc5771308ba4dbb8848a00652200ac2a650e309bc071c3c7878a42ab937c3fe076501356497003c27b7743131edbf0a33409a8910a0909ba941873efc0b1e6331b",
    "signer": "0x96e9FcB3bcf2B4B9B7347B5ba96A6a8813527DE8",
    "userId": "319177310"
  }
}