{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99786",
    "entityType": "User",
    "nonce": "0x3b04faa246fcedec19973aea76a4d0f3ae7f208c156103f4b4f5ceaf010c8818",
    "signature": "0xba804ceb348d20826d2c48851866512795778fcd65b8847c1d57f7e690f78783129c7aa6fd4c455a61e7a19dde237bc6b531476697ef9beda0109647ee31d4f11c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}