{
  "manageEntity": {
    "action": "Create",
    "entityId": "1990717128",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":20,\"entity_id\":276987795,\"body\":\"swayyy\",\"track_timestamp_s\":167}}",
    "nonce": "0x571cb1b1cb3ef0781ec4f201a54be9d71ce1d6d2df1e194f8edf5bf144a55ad0",
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    "signer": "0x1CE93c43F8574f553E8071e946654066188B61BC",
    "userId": "20"
  }
}