{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "716558391",
    "entityType": "User",
    "nonce": "0x644151a1dff942321f8de7dc0f43cc240a26ad23e46fa62e5e9d03ea14ab69c3",
    "signature": "0xd0cef939db3450c377705d7a1297a4720ffa21aa59f7c3c74cc7f23fbc28510464eba46515f3f7288836fe913b50d8fbf8078157d4f5703b504f76fbbd6945721c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}