{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327373",
    "entityType": "User",
    "nonce": "0xc9e5bd4978fb52cb178bb03cb223578e4b508a92219f7a6f2974cf9a5cd531c4",
    "signature": "0xcb573b42fabf19bf771210990b378f894c9900b7af27e72f08ff46c6367c681a0daf159646ae5e1eeaae480fee00fa9b03b13be5c3d9d60edd3768165f6ddee21b",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}