{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "356255",
    "entityType": "User",
    "nonce": "0x3ae278e1bf8be3b13acb134cb09f99938af5a917a14d7dd20e91a2913c966a8d",
    "signature": "0x561aba01012d9a32291fff09922e9a9989e09f842c1c6d6989fc5d7799cb4836293ba5a419f64d0bccfb493622f6e8ead1a16ac78491d8e9d7515bdd3670adfe1b",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}