{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9afd05ef94992a5ffb1a9a66c3f6492c7fb67405f769c4f963efa9f4538e4607",
    "signature": "0x6eb7b90bd9c901f7154457b262dd8043c46e2ce5d0c4b3d78e6bc90647b4bf0022186741121b287f5001dfb1cf4ac64d8c57a3c5d2749e72dd9120d15fd52aab1c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}