{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11145016",
    "entityType": "User",
    "nonce": "0x92f1491d84d3f24a0f7fd869a1302bf56702c59065df3002e38ab2edcc7da684",
    "signature": "0x5177f51d7f5766fb1af849fd14f5de04e6eabfcdc4ff5c9b1219748df27ed761231a59546da55b9d6a60468a35855a7e191cbd1c23edce232b90064c9c5310b71c",
    "signer": "0x9B305fd00d9a363195749eec4f162986083A6dC7",
    "userId": "648443373"
  }
}