{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180471",
    "entityType": "User",
    "nonce": "0xe9a820c24521433441fdf7a8b40825a7a21e72c2b9b8f10e13959941723d0ffa",
    "signature": "0x8abd5017f727336d973c82e7f44915221041ff200ea2542b9588bc32e3b03c0f03c7caf7f730603f91d24af6f6b9b4f56f73db3bdfd417ca3ae837c4eaf224061b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}