{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x179b27dfe6c1459965f6c16f44957005a6081d4999b47be8d0f1a631ff6cb0e2",
    "signature": "0xdf9f4d6afa15f3d5beaee045e8df2ef2b9d27d3c4946ab0b4ec6b234472b43ed69e71d8950e78d43d147397b438225e5e44a90f014dac701b12ccc389e4b399c1c",
    "signer": "0x7a78569646ADa00a4d555F20fA48e9cDb9ef14F5",
    "userId": "333304008"
  }
}