{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381638009",
    "entityType": "User",
    "nonce": "0xac70502f784252112f6be351ebf0257c9c4d9e2f8ddc7908aaa2cf4b58cbc443",
    "signature": "0xc2e8199ee9a812894d2bdcfa0b5a2823377601280cb6bc11b28dbecf395ef49039020bae17ef5947034e73d927a998d229e5185008d34784435fa7165056959c1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}