{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xcfbd62ad46493c21117d26271811172be4333b1a5c0a271ebb85e2d9778b3d73",
    "signature": "0xe8e7914e8c630727937707c9a7ba072e8990d35c124dbee7b7117c4caacfd3a70a99936bcad7a31be56f5b9066a473e926aa901f6c26e848b4a36eff225640911b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}