{
  "manageEntity": {
    "action": "Create",
    "entityId": "1157086692",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"cool\",\"entity_id\":1596299758}}",
    "nonce": "0xfbbd3dbc0e055c70fec9e0aeef9cb4d9005010500ba9ae77cae097a6fcf768fc",
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    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "301637"
  }
}