{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x131ad83c23842e8457e5fae5d11a6fe0588d1fb0d42211ed8a227d1b72d3502b",
    "signature": "0x937f458be52ac7b67d001c14d9e537cc47cf2a5ef091c0afe97a304a54305c54758032d7b6633d19083442099492186672543c22d46ca093140d5d44133aee021c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}