{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325172820",
    "entityType": "User",
    "nonce": "0x4971a45302eeb912f3505ec88db847b205a365d4e267e7b8736027116b28412c",
    "signature": "0x3d99272978418d0a2a68ef1a6f0720648db44f83afaa9300b53ce4eab8f25af477ca72c9b0b081e9f0b4cb782fe009b0513124bd6bd5555b227fbbc8de83be0f1b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}