{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0xe7c2d91a7df20736b188830673b866971f35362375d349a49a1297eb5e5f6c48",
    "signature": "0xb0b213b24eee1e1de21da634a2ce2fc8633c0ba6874fc81fded59f7fcf767c4d1e9b1af85cea7d1535c1f648b9f2ca08f4c580f2dfe862caf64049af8a695aca1b",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}