{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x609a3e367bcdd562401a4abdee2dade3267e705882d9c6e82ad774b7da01d0d7",
    "signature": "0x75a436361bed73c815b0dd4a2ecb4e8112877a7a8233c53508db7a8fb87770043e52ca32a8ed47b68842b252e847cdfb7c2643461b210eda7a002de0b772dc661c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}