{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1088310",
    "entityType": "User",
    "nonce": "0xc783bfbb92c868455cbfde3dcb69659b8b0a5c2cc8624d8389e618fb6f14d38a",
    "signature": "0x2ba68f708931b561bbda706544f71bf62075293d9755ecae41679ad2b0c7e071472f610656e27d1c18866f5507cb8533dd1ea6c95c7b8c061cd7d79f0e84f9471c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}