{
  "manageEntity": {
    "action": "Create",
    "entityId": "1198331161",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":301637,\"entity_id\":756827274,\"body\":\"aighttt\",\"comment_id\":1198331161,\"mentions\":[]}}",
    "nonce": "0x60698658e752df114bca25b1c0e8b761f2a85652a84513cdd29ae774eb53bae1",
    "signature": "0x416a5a3f77caa544ee4606818c61d3e883b2a7a8b2e0bb4682d3cb4138fed82e0d106ca3d2e2dda20b961e8df32d96903b7e9fe8ae08bed396c4b4e3bc1d97861b",
    "signer": "0x56e1A1DA7e462EAb52B3A45f6605f1bbfe0D1858",
    "userId": "301637"
  }
}