{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100393",
    "entityType": "User",
    "nonce": "0x52931a0e3b1fefb8d9a0a43abffd5305da970a185f75ba83d3e03ece849a74a2",
    "signature": "0xbb0432ddbaa889c8339819259dfd9e6de63312af957bcea9198adc42a72964bf5f6c02730f92973f257964063c77fb9419905d7119bfe75bbfe397e9d051b91f1b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}