{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70023",
    "entityType": "User",
    "nonce": "0xdb18ac29d5824d90d473431c34b69b64ca95ca69818cdec6949e2222e51316dd",
    "signature": "0x309e0f39605da27883087cf9b3b822d73e5e2ae9923108b62c17086a80cc674633eb1ad98554d1d94c2d20709b124d79e4a53b07c90d6b5b133360ebdacb5e7a1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}