{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbd1b13bf3be2e9aacc7ab66d7437b9eb832678ae27eb1aaaf089d198d80dfc45",
    "signature": "0x34ba9cc927128e5513903e5771947f6a1040df33a2114f104084fefd35c0f7b228fc17c8b9a58d4d63ab28573f4ddf1af0f2241c37ffb62d6dee3520421384591c",
    "signer": "0xCaFbadfD1CD8f17092A6d143391eA3E2C0234C58",
    "userId": "223652420"
  }
}