{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x2d256edeb197cde37b76ab24bbca47813872b048bfbf6ce196f01ffb1b2895e0",
    "signature": "0xbd78ff29a3e4255ae029d73a4f46aa197baa1cc6ba44f1e99da53489eba312ee3fc2963c10c140dd6fba1833646cebf0d6cf5adc95884fcb0fa39c06e43b325e1c",
    "signer": "0xA43EDF394658F6073AD5d4C89f3873E9377c82B9",
    "userId": "22160"
  }
}