{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "472365883",
    "entityType": "User",
    "nonce": "0x9510d04fdee390d182a9033cbeaf3b6310a3edb45610551e66bedd5c50afc059",
    "signature": "0x665124d34f10ff273f9c565c2ae5ede5845cf5c5d0a455e22896558dff307d7377e4448aef0fcb6e6e2004485d43bce53387b4fbc08941ce7bba1b596cc160f51c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}