{
  "manageEntity": {
    "action": "Create",
    "entityId": "858337291",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"I follow whoever follows me, it seems fair to me, don't you agree?\",\"entity_id\":1928330128}}",
    "nonce": "0xd7b41c61751a51e4d2c960273cc8b1008bd7a9597e86b6118389750251146776",
    "signature": "0xa39cdc13526d671369f84cc48d8a70d7dbab20b972cf8ce29d97bcebf864c59b5a6bc6a4ab6970072d8b08a4035e27439809fe5a17b653858fa7ed0263a339901b",
    "signer": "0x866CB73184a8420C302e3850B610761F882C4DDE",
    "userId": "166428182"
  }
}