{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11440",
    "entityType": "User",
    "nonce": "0x224b538eca9e79c9a50f60039c051e934c1294f5097bcbbe4a6e55ab47b7ab91",
    "signature": "0x92ca0dc89133675415a0506365393c71514feb02d7f6fe180ebc98ca4f5a0c4322fc11e6a046ea23b003096f22015ab16d3ca185f49fa326cb623178d92b066f1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}