{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89623",
    "entityType": "User",
    "nonce": "0x5396f69a011a0289adec2d5f7a395eaa69d4fac0e9cf8fd2ab1187aa51b739dd",
    "signature": "0x66b5dcfb2b610fa83a9403e928653a4d375ea540dfeb1e1e21db9ba60dcc69017c5c6cc95aefceda2e2e65c76f871b548ca4db7476dec2d9f2d95c1ffc0a210d1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}