{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "250198",
    "entityType": "User",
    "nonce": "0x86ef76ef39c34d605e1bb8661dca82bfce6f8ed1556261a5b67862585deb4c5b",
    "signature": "0x750edb104e472ff58f7a28eba275f931a5f7e285565d987995c43a3042b0db7b1d43f7c95e9cb91e089cb547a91addc89ac1aa8228ba73317b183ef51657aeaa1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}