{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7ed0d2148bdfc71672d0bcc9d258a92324344e1a11c9f7e28977f6e87dd09956",
    "signature": "0x0cc84d4b3bdcd1dd696d1994800943598ae5ad436de9eebfe9222a226fbe8028625d86ab22b72b78a1003f243b9c66dca1dcb4ef5eb5e46dabc557301f2fe0771c",
    "signer": "0xA26eB38Fd507196cBeD68d81865Da73cecE6e8B6",
    "userId": "514933273"
  }
}