{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50278306",
    "entityType": "User",
    "nonce": "0xc028f92f01682f734558ece0194fea7ddb9d2bcf980ac227c8839ce788b1bb91",
    "signature": "0xf3081fe9372f50a3495e1ac2e8284713e2b3f5950f561e128dd2e091237dc48a4a1f18277fad928cac1bc6c5322f6af893b03a11e3a685cb80044fd99994292f1c",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}