{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42741",
    "entityType": "User",
    "nonce": "0xf2e299dce5ccc2e716622e83c4bc5afa3a7626c7943b75af1f8b7ecaf372eae8",
    "signature": "0x1b995af25e9afe5c98b637a9f0125964ef5ec9a5509173d71791f86c2b41c55a377e803706cc824ecafb6a9e2de70982c44be04e298965efdb79eeeada7367df1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}