{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49587",
    "entityType": "User",
    "nonce": "0xa39fa7318b63b5cac31993831ba4f18442ebed0f7e488d0e0423aa766fef7153",
    "signature": "0x1fd0c888718e9ed84bd9acce9c5beb7270283804c0f96bdf946d612c4edb895f6be1abe0d257d7031fda32e2eb7c77af6802e2dcdeaafc8652b47de67a1dd5b11c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}