{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1575278",
    "entityType": "User",
    "nonce": "0x083a3436093d79889729e9e8c38a67263ccfc3dcb5111b5797d7a6b5472f01d9",
    "signature": "0x239ae037a22871cf3c722df8ae7e4b04f28490446f64f5f7fa0ce4d02f1b63762ff7b55570e2cccc8f2788ec718df8a22b8162b53aec5c178659d5403d0f784e1b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}