{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xb20f11fec3ba0d09b2b7ac3e4139335b73c815bb85110c1bcc48cb2297bea920",
    "signature": "0x9b812bd6c01ce1caa5315309ef40d5ec8b9c9c1c83133a68bcaceca8787387de7334405db7f38b62817337df1f5c00ced8d4be1e67811b117bb3fdd051f5403c1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}