{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "712688986",
    "entityType": "User",
    "nonce": "0xc04af2e86caedc205d4a3c8dc7855d2e5720d59803a64c3777ac7622fbf6eee5",
    "signature": "0x525d5dee5f8ad77c12c14ae70b5ed80f83b38627c852f72aaee11d1e3d1d8318437abd33966cb7c6900f5116719d3423bbfd791eb8521e42dce740d80d036bab1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}