{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0x813300ec3da0806484f28690cf16d86bc0311251f928cd170077315ae4d1fa77",
    "signature": "0x887ab18b48205249e4f11c57bb15100a9dc97a47eb4384b9a2010ff549b8040c1cc441fb53bdf577e379b8a93dba401ad7c9f4796e19164a717895f397a4a1991c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}