{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xea92e9cce063d1eeeb92dccd08f3d6eb4fd147d1d414c35249c94d12c3965de7",
    "signature": "0xf1de2ffae7e81a08902c1463c57b546503bedc29b8d070a3fa6a436889fe797c1e804ca72cd528e2a0729af78ad18d4ac72033754fa0611ef6e0cf6793aefc271c",
    "signer": "0x58cEcF6744B8f54F7401C14ab268A16A6BAbcf53",
    "userId": "682451250"
  }
}