{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x02f9c121beb6d8ec02abb1a97764b273c25cd2d5b2ec1a7912195ee9fcade3d9",
    "signature": "0x2b3fbad784b9bfb5a526dc515b49d1f50c32d3b4246c978eed4237e0532f28aa5eef330d6ec0f6886591915e8449d06596e9c7dfdeb958beb0784d70cbf3765f1b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}