{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x0fb5e99739bbc41851abd3f34f55588b8e619a7ec8cf3b8880d654d94398d218",
    "signature": "0x88b0e114e333741c555ef6c6575ef63de4732fe80f7398ec94186202a6cec14a1fbe3d268a75bcf1a8612cc04ffcd6454b52ee38807aea8a8a9ec373628a04791c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}