{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x9590b9f68b67af4da15bae85cec5be2bafbecc3526f2f6cbfcdb012cc172c063",
    "signature": "0xc9c153c337292e13cf8f3e741a71d713fb574cfb9692278ea68f4396415a600327ada66ed9f1d176b6cac316a0d3731245d68d3743c822917ad90a5f2bc42a4c1b",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}