{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1aa1b816ab8ad2d730c72411f331579a5a4390f0bb14137550c6998f6795451c",
    "signature": "0x3862d17ad98169df153149e4dbf57bf44e5a74615bf86b34766177a3a6e18fa8382817e31caee04218a80028f4241ec44140be3bd7dcc8abf54841f24bf401221c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}