{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "579726392",
    "entityType": "User",
    "nonce": "0x0de14539c82ea4b36c06b52ebc660dd72cfa2e1657ea63b0b1f5835559c3e059",
    "signature": "0x736960ecf21494659d4e0edaf245108bab9f478074f14151b812bed1c9655e7845e26cae93514a2c9051af8e42256046af6ea8788b3d25bcca84128dfc32dbe61c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}