{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355535675",
    "entityType": "User",
    "nonce": "0x93ad6ddb59619a549d4ec5e6643f88cfb3f190132ae328d9ac146ac85bab0c43",
    "signature": "0x937a0a3938324ce46319c30449cf5f95b30e75429a1395cc23c4162cd9203970341b4fa9b2a1609b7df0dd1e9c37fee54e0eb09cc686f20e3bef365d9013eecb1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}