{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359",
    "entityType": "User",
    "nonce": "0x18b93bd9d6b9373439eed796f49f0f764d364abc52cef10ee5b983113206d836",
    "signature": "0xd25714abf5b58eb9114f77259ada5a5bf7d16eb1a89a2caffa14eb3561d25ae87e1cacdc1385d36bd8912676e77075f672df20a87e4d38182642ea920dfa97d11c",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}