{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "534869752",
    "entityType": "User",
    "nonce": "0xb92275d2e143b759a89d47e2fb17894d0ffd7cde650726c0c2e57384dd9ec5bb",
    "signature": "0xf12da0e4b79df12ffbfe6d120440bdc3978769ca1ebfccfb2abfd944a75da8e95767076c08435df7762de1c7245a47cc83cc3970a3cb17cb6c004113d0452b451b",
    "signer": "0x75387BeED3d3B040a54C3e303fF0B07Da67a9186",
    "userId": "223536026"
  }
}