{
  "manageEntity": {
    "action": "Create",
    "entityId": "715576703",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"The energy on this is really nice\",\"entity_id\":449569863,\"track_timestamp_s\":4}}",
    "nonce": "0x734fa263a189291cefd178db2cdf3c36a20d6c4c3f824a20261c02ea8c697e11",
    "signature": "0xae44721e9cd77a935a3065489fe39e8aafc85028fbebef728735b2eb1b223f7e031f34851f1ac852b19137ec4a70f8d3c4de60c0871d7923d5ce2aad533b5c2e1c",
    "signer": "0xD0f51E232A92DDc965FB1FE51d04200D15d10fc1",
    "userId": "536634479"
  }
}