{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995293503",
    "entityType": "User",
    "nonce": "0x941ad641275ded310b712d27f186219b0e8f31c735a71dd441d6dc12cc34c30b",
    "signature": "0xdceb5a7813e40b71cec72f0fe80caac64d88267d23ea80fef26216761225b4f23b799ed041bf9029e5317352908a468c955b288e1edb9b1dd02183bb5936c32f1c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}