{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1921",
    "entityType": "User",
    "nonce": "0x11abcef37640b9fc81e12520e6ab68723fd21f6e0d6da269e3dd6ccddab267e7",
    "signature": "0xfacedffa48101f43291363f34f4ca7030d3cc80e6461e7f8cc2a718020996e287716830f8e0e4ad6aca3f3760cda986dc53ddd8672951d5a53fbf05bccdb71c11b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}