{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "770725415",
    "entityType": "User",
    "nonce": "0x1b4673062ba0128c1f410ad3517d1c9b5adbc85566d8d4ce851082e8d8250697",
    "signature": "0x7628add1957a6a4716957686c0aff9aa214034980a274e0e44e759db428c01d364a95e555cd91df4bcf20a95b46f3b62d5422bc39436f72d49d2a22d58631e901c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}