{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38277",
    "entityType": "User",
    "nonce": "0x2ea6f1ce1136da4a8678203c939ac0012732de32e78bef6038592260b94d4984",
    "signature": "0x496128d112cb54deb4abcdf3c143560e6b6e949f5a3288b55613a11615de37fe145add517d8140ecc9e5ad0f5a3fff36a4a09d35e68a43e022ce972eae0bd0ef1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}