{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x993970d1f948651f631489382da1f5677dbdec682e657bf448d09fc899b72033",
    "signature": "0x06e44036cf88dd5ace974c9a48a211b71cb0cf057885d4a6493c3fa45736715743aeb8c210c0abfaafabe64d5bd62771acd25538b28185f5504b37b3d57a9d1f1b",
    "signer": "0x89ec8C68527d02A956BEcD29A095a13Ce353e59E",
    "userId": "70344938"
  }
}