{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1713713",
    "entityType": "User",
    "nonce": "0xf8d544426d59cc9b574478c184a0cb1f794a1f80a4eb2f0429666fd109d2c5df",
    "signature": "0x9f13eb2046b7ef26590b9e64b6fc5633ef38dbce8ed7cd13cc54603758285e3d038651cb083a62068e0bbb74e3e68f4238389b38b46ad0d38bac17fb520bf63c1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}