{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xe9341a870e26e76189ca065cc4284533e7601cf475b1cbb23874a07151fede81",
    "signature": "0xf2eb510a4baee4badfbd87a249a37feb02ac5297e553fe00ddc754a552a5d53e1e128ed1202c099736bb178d8abe5f76e82db9384e4609faa8e90410d16b35fd1b",
    "signer": "0xb98ef2f3573a0B0E83004f1C3b8B2288EAE90B8F",
    "userId": "831561034"
  }
}