{
  "manageEntity": {
    "action": "Create",
    "entityId": "851043034",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"cool flip\",\"entity_id\":1129031308}}",
    "nonce": "0x9e803a77aee44dead9863e15e40d46d6ab03a4ab3953d23d3af377776d2318bc",
    "signature": "0x3b7565960142d293920b7f7fe053c92205cf0088a42a86c069dc14f6154d14d03a701f192cffd5b2e25428430b3191184794e8b4db2497d84870b91ed0354c891c",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "301637"
  }
}