{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "808781990",
    "entityType": "User",
    "nonce": "0x2482abfa89e66337ae159fe44b15f136d068d3b4c0da7e317aa8a6b2e2e18dad",
    "signature": "0x123c687b520dc5caa18a9d7f1533ddb623862a3df6c0e861b9458917402afd774c6850c5b2c4a23134265e1652905672f653efe986812a73006d8f2c8018bc541c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}