{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109253",
    "entityType": "User",
    "nonce": "0x2ce745a230b8bea6d10f0332df035e33205d9c33ee28bab88766ed2e11082a49",
    "signature": "0xe623bfebc38d6dd5de6a9581f96d312c485cefbb4ddce5dfcf2987723fc1bbf06f220f390168aace95f72c5402a9eb1e3079ed97e385da14b9ed1c36041cff9c1b",
    "signer": "0x8739aB96B52ccc56d0E5226Ff69659162d4269A9",
    "userId": "320952162"
  }
}