{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348023",
    "entityType": "User",
    "nonce": "0xf5e490838b6571aacabffe66af625ea46560faba5fd3724fe05d4e7e99c7bb7d",
    "signature": "0x035cece460efe2e80375423c8bae02c73cb14905a9084af01b393533b83834515bf5a4baa991cc5b92f44d0cd50746d11a3eb3b0e32a2e2862321788e44b08361b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}