{
  "manageEntity": {
    "action": "Create",
    "entityId": "1871497539",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"https://audius.co/ngufor\",\"entity_id\":1590368519}}",
    "nonce": "0xfd8dac38a71e9183ffd572dc6a3dab6d7f5bf6a65afac1db5f6d87c75e515d89",
    "signature": "0x17a09513aea72d4f141cb84d18c3071c1445314c5d948030d78b1baff48c197240b502b4a2f5c9e9a4df8373fa5d058ef9572a930465e236d6654ba9ba5076e21b",
    "signer": "0xd3CA6C81c4aff7BA2B2aA87ccC9607e439f8B0b2",
    "userId": "387501451"
  }
}