{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117522",
    "entityType": "User",
    "nonce": "0x637a452661b9e1ee3d52ccfd33a3dddf8eb546009a9832b02115355e83fbad92",
    "signature": "0x8245161e214d283e6b04c6a83c6ae8d2b61d092cd087cf4d924ed60bf7febc125678117a582454721cbb2c7ca3ab8aec00a4cc9129837b12ee6327211021d28e1c",
    "signer": "0xfa56a6A4EC30B5A84B608c47da5C182E42Ff26cf",
    "userId": "990052786"
  }
}