{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916942654",
    "entityType": "User",
    "nonce": "0xa3a68259d31240206f2c95fde9f0ad2d6c9c2456d650cd9b55dda725e17d4139",
    "signature": "0x7624747eea16e74b8c8c17a9aa24484132f34bbe283e6cbd9dbbfe8f2f1a7b2b662f1e9040a99dcc5b83f97b5bca4d8d6a1a694c03823ce08dec4305e98589cc1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}