{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348740",
    "entityType": "User",
    "nonce": "0xe93808d6b7d0d3d59e465b59acbb567d7535747a1400a42b12313dfc38383dd5",
    "signature": "0x394d232cf6537554a70339a3fccf19495cb21eca6b087ddeb218dcff14b6333430668c46b4f77d58f2c7d1a536ad8997b3293615142930238744b30d34d98afe1c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}