{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x60217244bee2cfc21833cd8d447fadf91fcd25e515db537ba3798f852c0e3b08",
    "signature": "0x579ee5ac15cf4c0f0715184e0c5ced90dda2603577ccb6a3d1dde1a0d305d8eb53c43d0e3e1488cd5742551b548c3e0151d8115184b93a1a7ea2259496da06751b",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}