{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "487631973",
    "entityType": "User",
    "nonce": "0x05231c7724ae12b38b559004e7a97709dc4251adacdbbfb4f1bfaf2cdc8f4c89",
    "signature": "0x41f5faa47ff4f45201999da900e3c99e0d380b7bbe830306aa3437dbe406abfc65b1a627a10d31740b935b5b945552262301a92044ef4727ff0fe0c6047c880c1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}