{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x24d3f4ec215626f86aaf4dc2922c8180ee2945b3dfb84712823849afc6dc4bd6",
    "signature": "0x09a0cb0eb28fc28400815e89cbdcc4b853fb88b364c52af2dbd3e107fecf0def50a1d2689ed30181f4ff3860f5e37cff2400c08e763349cd9a85ce7c27dd8aae1b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}