{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39727",
    "entityType": "User",
    "nonce": "0x04fa10a8abe1b11daf3ad5bdadcb543c7b1743dc59d6cc50792f771ae9df2614",
    "signature": "0xaf5b165be55b5d5f1e7fa36f802c3d4d170d20c5afae6afa11b30ad928462b8a304826a4b8a0367b3a8d7dd8e747cd8b1e3857bcd25e12a7f001a418c9afceb31c",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}