{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0xf3171cf8c3ee8f82397e1f70976051c1b74aba516b5c5b8fa8de7602733b7b32",
    "signature": "0x93308b1bd9e73f1c821748902deafc14901f2d9ea9bbecd202b745aac91029033046e1020a6bfc9b8f3f542e7e060ec5e0bbc9bd3094b8c520ed3f90e17bad561b",
    "signer": "0x1e790323192cc7A6755829dBa7Fd3D0870FF3826",
    "userId": "921777960"
  }
}