{
  "manageEntity": {
    "action": "Create",
    "entityId": "601049405",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Inbox me \",\"entity_id\":383556068}}",
    "nonce": "0xdb884fae6e017259dcd8819ada43b10bf9d26bd6147c037077f068add58448b0",
    "signature": "0xca77a0dfdc5ddcb0b4f17feedb8af887429d81c5298df34d86ec2dbc15f126ee5d4f32370249f4d7db374bb7246771933bf77259e73a7a81315df37f7d7cbe2b1b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}