{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49486",
    "entityType": "User",
    "nonce": "0x588ddb92c3a077f7a6f2942c1bd19217108e3770635498050dd310a44486d708",
    "signature": "0x29261a0387dcd3df90202a3e0ac410abd6f536dbd640c37933c57f5542dbd97278deac9ac5b41096c2652d5e937d81db457bac47fdfeeabaf7261227341e76f81b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}