{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7370",
    "entityType": "User",
    "nonce": "0xa8d5733bdd2b1639360ae018626812126d4837817854f0d62b02533424cb7254",
    "signature": "0xba1b57c05b399cc04885449fbc2a9275f611f6619109932cd81ca6d48aa472925936d11c13f8b524f04611cbe1919c35b5550c6b5ee77d532e0edf28c2b7baaa1c",
    "signer": "0x738Fb353b57EdB4d1f33c0049D33b204243db2ad",
    "userId": "693463302"
  }
}