{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40990",
    "entityType": "User",
    "nonce": "0x4d43160dce97f40ccabcf8f05dd8f82fdb53fe478ff49b5bbd3d1a4651b0ff8c",
    "signature": "0x0035d27a1645058563e6acb48d1eca91a6423c029a1b26e891805eb222200a753f1da5107a17b6e66e3b072d3168e81b4feb92dce6410533d1eee06616ae73581b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}