{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42239",
    "entityType": "User",
    "nonce": "0x56f34fc4e50dd379bfdcbc710450705bc1a6349796c0b07ec9bedeabd795ccf0",
    "signature": "0xadc78f956808d964650afa48408dd9d323e8a70a38b84982f8cc7de6f075c97227bd0ad461d968669ee2daa509d618d5308d1e8ddf44da8abeaf61cf203009691b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}