{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1905824",
    "entityType": "User",
    "nonce": "0x91750e60b52cedf6ae950cc12768c590464b9ffb461b4a201c8cc68c50656b34",
    "signature": "0x0a60584c21338749a243bc03c66f0ae609faabe8286e0a3820cb7f74b3ccb5483bd19b5a591fdeac55653597b78e379f3cd6a36b7de60bfcb07ca1c093c9a64c1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}