{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109089",
    "entityType": "User",
    "nonce": "0xd60f1a28e5975e989f17ba55beff427c95025fa983aac89fa838bdd8e8670677",
    "signature": "0xcad406f5a9abbfa22ad4cafc1d1d0f74458c14721f8a8d30f8d42603729529c12de35762184b43b39f2bb7fb382696c9311315346e588887ece7a513f511d7e11c",
    "signer": "0xA3F755f4D4A1d65Ea8e060d30a99d51470A577fa",
    "userId": "272604359"
  }
}