{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9424874",
    "entityType": "User",
    "nonce": "0xc480c98da379fd5c576503a4c601eb6108d109468f385a0d036596aeb4b7b750",
    "signature": "0xba7d4ff20018e58428593b95525c2fe69086beb76ddd2d79e2df1f10499cb119243549968b25c0dbcf9b2e39600dc0a453308c7b55e2be42665521d3e1ae89d81b",
    "signer": "0x16741B6206B1898558AAd9b1FA3d2E2d94277708",
    "userId": "622688980"
  }
}