{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295993",
    "entityType": "User",
    "nonce": "0x5e7aae1999079a24ba5dae568fb3d4d858d5ce2c2db9df123915a3bb7b303592",
    "signature": "0x4ea419012dc83d57bcbbb95a748f8210cb00813c86d02d892e99731cea4dc61a2e8daee902d8a6ec84ef310d5ccb55ccb011f0c34dfc713df3a73b1479c923cc1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}