{
  "manageEntity": {
    "action": "Create",
    "entityId": "772829279",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":181,\"entity_id\":1060695759,\"body\":\"Deeeep!!\",\"comment_id\":772829279,\"track_timestamp_s\":52,\"mentions\":[]}}",
    "nonce": "0x032469d566507abaab8511dba25970754dd8100cbf34a2bcc6f72f5922f0ad57",
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    "signer": "0x4e636627B2C38e64C8D3aF5889767393B4fE6C1A",
    "userId": "181"
  }
}