{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xa239f7e7052d2b93f3be5e62ab60eb2ee5453d8e0de3b18b4ca1a80d3e4b943c",
    "signature": "0x26dc97c162bfa821c7019fb748e0ca01263c7b065c190b3595e6c48c10a3e3fc652f3738f2e849685cf89a7322e76a73b39d1f336656afee20276eca17c41dab1c",
    "signer": "0xaAB195cac4029fce09bd166F1546E1a76049c50c",
    "userId": "844451279"
  }
}