{
  "manageEntity": {
    "action": "Create",
    "entityId": "414569829",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":52309,\"entity_id\":1293132653,\"body\":\"woahhhh\",\"track_timestamp_s\":61}}",
    "nonce": "0xd158e99ac000db5697e282685ea8e09e5ced722c4f7d0732a84d20f56a0a25d6",
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    "signer": "0x1CE93c43F8574f553E8071e946654066188B61BC",
    "userId": "52309"
  }
}