{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140446",
    "entityType": "User",
    "nonce": "0x076b061bb91199b763a9b95bfd0dc4f69d898819951ec7ba9adc5325470af4ee",
    "signature": "0xd3ad95d4ca03625c070f907e527aaf7b547335d03e680348ea7b47eb88b6eb137d29a797206df3fd6b3d3355883929dc047d45493ad16467df7a82b15ab807591c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}