{
  "manageEntity": {
    "action": "Create",
    "entityId": "1594459241",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":20,\"entity_id\":466716348,\"body\":\"wideeeee\",\"track_timestamp_s\":48}}",
    "nonce": "0x24c97902b207329fca87f31bedc348bb510650d172834e69dd4dc5aeca6f767d",
    "signature": "0xfa2ba248c83238566c6812541035e2dff01a5f8a4431c47b2f1466064b36e8d733e1969ba9f315592ef84d0f79fb5cc24cd91aba80f15303fb4603b91a65fb4f1b",
    "signer": "0x1CE93c43F8574f553E8071e946654066188B61BC",
    "userId": "20"
  }
}