{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "474110630",
    "entityType": "User",
    "nonce": "0xfd399d124dcbb402089d567bbaaaa0d968f55dd9a1bf689d0553a61d36644587",
    "signature": "0x5284a5cbc4fa066d96ffd22f547194dd52954d45432d67e8e30f3fa6816f798744d09409354cddbbb8ec36d53f410dd555c82f0715a3b726ace32cfca98dfd8d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}