{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0x87ec27e19e2b72c0f9da7d6bbdf304f534b0d4a88c82d68e7849db037b5c506e",
    "signature": "0x5cd514426ec58864063ff895d91e19adb956055d6c016470f66ea2c494cc2cbb108a6f6931b31d8d9eab081ce2cff49644b8978e19f95e4c9fa19b0eda45c1861b",
    "signer": "0x07cB076DaACCA202F3ffB2dF4A778b16AcEf28Ee",
    "userId": "998685050"
  }
}