{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xd92d97139c9ae173271284835aa732a3a325ae4bc46690e319a27c879b6b721b",
    "signature": "0x2ee28a61a8decd4dc984cce009d9cd03d495d425b93d43de2f455d61876dc9f34b5110e59f87759adcfdd71eb954a262f5e202111fad76609c3852467e838f5c1b",
    "signer": "0x0b2DB947a0dEc4669AB6C159D05c905EE0B3D7bc",
    "userId": "300386755"
  }
}