{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895362994",
    "entityType": "User",
    "nonce": "0x442cb9da251cb13ae9039978d3b5812a7c0931ba8146fdc6d49cf88a6460d31c",
    "signature": "0x30dc1e5422f49cccfd9dea210ffde2f36429110b26290e3c7c6db6879e24c85570e8a2b8e848a80ce466e2745b19b419c54ae6f2cf659416c4099b3744b6aa4f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}