{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x70b74497bdd2a5473039d4d9b06d1ae1ca9614b5be2ceb7aedf06235204b1612",
    "signature": "0x679d4be66aad6ec531d7dfe6a9d6270d286125da12e84879da456b359a1fc19439c99cf40f7ca168c9509a0c4cc830a8fe0f7f2d30129ff7df70f53947c3d4a31c",
    "signer": "0x01239212E248C7662165f84426023727b8FDCa0a",
    "userId": "716849471"
  }
}