{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174543",
    "entityType": "User",
    "nonce": "0x4531a5e5f952dfee553f69570fdab7ac64684347414fcb9f0322e647aa47e745",
    "signature": "0x8bf99cecf5c8aba67408ca72b31df5db6d9b9b69ad942422494cdfda55a560c10bf6632f8ee2d6a5d41fd8df625365675c5a0d9369d0da2936021c585cbe0d5d1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}