{
  "manageEntity": {
    "action": "Update",
    "entityId": "944117628",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd98dd54a2ffb209f8099bd66362a5028557cc5b8670b40ce0468107b4389f6d8",
    "signature": "0xbb9133dd16e11443da6fa798e862c1ec32a006c99acd796bd9a4675cda0b49416665d55005c4786913a439deeabbcf54a13dcfcfbce4eb4f83b7342362221bc61c",
    "signer": "0xBe9B6f5cb472cCcDCEFf1f823a3Ec32D93CcF9C1",
    "userId": "944117628"
  }
}