{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584616263",
    "entityType": "User",
    "nonce": "0x73afa84495a2766cd354b7e8ebdd59f9b48b78e7b6b03f68b87a8a485df50913",
    "signature": "0x1949c5e5d3a2135791fbff5159cfc860d6d84896c58da5b6a920cc6b924d97173ea1a3870befe2860e8d295db0b92ca37a1c3db7b4117d9af31c66d262ffca0a1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}