{
  "manageEntity": {
    "action": "Create",
    "entityId": "352765792",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":52309,\"entity_id\":61015017,\"body\":\"YESSSS!!\",\"track_timestamp_s\":51}}",
    "nonce": "0xd479c699f7f782aa50c3edb0d9ffc9eb9dee8938e0de9fb8c33af7693fa02459",
    "signature": "0xa847f5922212a2b8ff8a7fe43c26a25085398a690e2dc6c21bebd3245e2682002b2b4a7517cd2e134ed876cdb29dddd61db906dd95960692b81c150b59fed78e1b",
    "signer": "0x1CE93c43F8574f553E8071e946654066188B61BC",
    "userId": "52309"
  }
}