{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x4db253896b4b8a418a16288c929f28bd2aa1ae35bde9dc7dbc56c7c48febd7bb",
    "signature": "0x98c0243af92daca260b633482af293a7c94eadc3d85e29c705ff5499ab19c0227dc9333a4e17a14e4808aedddf0fbe2091e9d975e6245f15259a0e92792e4e8f1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}