{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61223",
    "entityType": "User",
    "nonce": "0xbd16ecae94d3c0a040798824d8680d8a8d5f36837583a1bb92a7b02d84ca91c4",
    "signature": "0xc572b1cdae9ab49532dd0cc8fa05b098a2a3cd5eb4b1961a67cf548cf299b57b04a167bbb47430d70c5660cf73563052c5c5fb106bb60e29754256fb6de78f0e1b",
    "signer": "0x8f2ebBA3522f46F14A1fCDe5312c7B9EA0E59e15",
    "userId": "735463452"
  }
}