{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x1d117c79017afec1947b3d0b4dacebe28286f8885f870ed8b5821f1d381eeffe",
    "signature": "0x226a46598af677a7222edf5ad710fe6d3066ca22af2553aa615ff6a985951a7f3ab8e3f1572bf6f61bccd9baad809dd8ee2b4cf93d5e91a72c5d0b0947e212eb1b",
    "signer": "0xd2d78f9b62b3956830b58248CcD3C59911Dd6E58",
    "userId": "846847743"
  }
}