{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "385952",
    "entityType": "User",
    "nonce": "0xdfd4352282bda9b08df837e2b5e436d992b3a69d2611b926e5d67a56eda7dc39",
    "signature": "0x2c14ab0ca8760216e84d49fafc8c68d11f95041bdf3eb08f1d86640ae5ed842265632768ddae39c95b094b1c44d905108cfb1a77d45f957de09c7f7c8466c8841b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}