{
  "manageEntity": {
    "action": "Create",
    "entityId": "1955333676",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":20,\"entity_id\":466716348,\"body\":\"wideeeee\",\"track_timestamp_s\":48}}",
    "nonce": "0x7ecf7421d941d7d6dd8b44dee9ed038ac317281a2fffc31c2dec7374952cd02e",
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    "signer": "0x1CE93c43F8574f553E8071e946654066188B61BC",
    "userId": "20"
  }
}