{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0xfe5bf94a40e2257a827e5a579ee1a13fc2895803424aaa860c1d3cdc42411f5b",
    "signature": "0x6b46245bd819d80adc0f4faf52be73b08bcc276de2016ceb9430b6c1c723769965269383e64a7f166c40a36ddf4ae842c2abf49ffe31a96dee48614add94a6cc1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}