{
  "manageEntity": {
    "action": "Create",
    "entityId": "1131494742",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"nice\",\"entity_id\":657996998}}",
    "nonce": "0xbe1689afc123f61930dbb308379776f85aed0ee46708f734b7aefbfa52bf3a77",
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    "signer": "0x62201a2146079A014aD2E748e4Eb6180eE90C4C1",
    "userId": "760481887"
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}