{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955332661",
    "entityType": "User",
    "nonce": "0xbcdc8cebc5a6c55552403b91dc74a1bc9fe92d5533953d96f05b032da5a21804",
    "signature": "0x37f8b740c44b706f22045930200796b4b8c3ff2d4c3fa9df4740ef3ed9a3452144c644bce7662eff174808d767e203db549a4b667b8963c49f570139d053f1c11b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}