{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72975",
    "entityType": "User",
    "nonce": "0x32ad6352ea2718d4f5bee1639db51c325cca2fee79babba255cfd440a6b769cd",
    "signature": "0x11d3152005d749c027836588f2bdc1e0b0a3e9622fcd2e789effa7df583905ec40c28db0036701e199318f5816de9f45284cb32476984cfb781b93c833d501781c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}