{
  "manageEntity": {
    "action": "Create",
    "entityId": "1134659011",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"nice\",\"entity_id\":1046153241}}",
    "nonce": "0xd6ca56f16f454a2a6db336f3cfd3921d0a717aa514fa686f7d37d272fd6644e4",
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    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "301637"
  }
}