{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "601282125",
    "entityType": "User",
    "nonce": "0xb80f6dc5633f3877b7146c94e381e018a6c3a0549e81169ad390542198a13050",
    "signature": "0xd0e17f4a84b83a4eb288963bb70bb7b38a88e5d2cc46a03591d7f511b49ff38609eb14a173224cffdd9386b3686798a3da063288a5060034b137113a1a5d057b1c",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}