{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203753098",
    "entityType": "User",
    "nonce": "0x028b9ff2090b5dfe8c3b6b8574d30fdfc09572e1d362b4347ac4ff61e2c73165",
    "signature": "0x504449739255c3d1fbb44bac83256db2fef1d9f349b1c2974058fe7f3391cf1a43050f7949b37c4a0bc93efe45abb81a694f53339ce72aabfb75c8e21992aad81b",
    "signer": "0x3CE307cb27B2Fc2b03Eae311050CA4e8C34Fa57d",
    "userId": "50936"
  }
}