{
  "manageEntity": {
    "action": "Create",
    "entityId": "25063212",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Such a classic!! Congrats!\",\"entity_id\":121123334,\"track_timestamp_s\":175}}",
    "nonce": "0xf80d6a6bd9746b79087a672a6418af1e2da70a89435f5cc4f70cf0970534c475",
    "signature": "0x78fe4f838a66be4db4839198e001bc483b3dc9a46bd0f8786e63f51577b75f243c3216c81deb19385eefa27f1fc494f00b0ea0babdebf79586bbb154328d33411b",
    "signer": "0x37C656432bDD87630C13F60036e9857B5ee36154",
    "userId": "288167767"
  }
}