{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x266bc57621c1a108cbe8be2908f2d0c35a9f61e09e62d80690562317a45e81a0",
    "signature": "0x13661bc3e2dd1998c6a99380ce068337d1b14f20c10085b6a43ce97ef479f8c52a8c9c512b86918da5e8d6b753dbecda12909ad18c62e5ebb6033e65770ca1091c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}