{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0f5908cffabf7f5a784b34c9888f2d28a8d3242a1fdb8ca0595af8565805bb85",
    "signature": "0x34f88f1766e57086d1b8bce5d79298962f993a2ba19453b4c3f9e96e595482387fb03207c6fd901003f9b33484972a770017b348cdef5edf98dd17c8192c7c261b",
    "signer": "0x95053e208ed4683dC71E3025336b339dc6C13f1B",
    "userId": "90610656"
  }
}