{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x0ff97196ae57325479d4fd6b92a5d50711f27d23d5249e80ed4879e29c624be5",
    "signature": "0x15e2232c34613cd8c111fdec36981ab0348bf24cd3098640c7ba4d9fe58995020a34671ba60fa8b6ca6a414237587251404d3b96b62a1f80c99fe242ec4fe5101c",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}