{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xfaf769211364728ddff78582bdd6a008fe9ec754eae7ea6436730887cd2d2f04",
    "signature": "0x390ae1457e1ae6e87c08efc9a330002ab260a8963bed23138e9b7050bb00df6b3864cfd4d1945af6bbbdb04f407b3dadbc9ddf2b4b31456804e98c77792eaad11c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}