{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5642",
    "entityType": "User",
    "nonce": "0xee95ad7106109eecb24c9c55634286c2b2e4e98b58bc4cc3ae0867aab7628787",
    "signature": "0x53e047653be2e4a068453983a568795717333b0b60ad02eb278dd479ad1159724c098fbf99d83d73a246712d21253647a77703280857b78a581d3bd0a9a957251b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}