{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6dc01e85fc0d29467179177ec15bb4a42ac1801af251c237c6c00d72254f67a2",
    "signature": "0x8cbef14db5f1d494bd521b0276a7aa18906801d9365f98f31c1c07ae6f1225334b5585047f25f0a881a14f5be55512d800fd3d6ab58a622cb27cd7dc4822604c1b",
    "signer": "0xFb410b7eB2293C024d555A6140342B981b76722d",
    "userId": "708890665"
  }
}