{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208569",
    "entityType": "User",
    "nonce": "0x2ac42da6170dac9a44e466727f4f580926fa0d2b396caff26de1a8d7221c4749",
    "signature": "0x066e45f7886f5ff32704ad06e1f45769ad920ebcc137c7fa9c9c5227228a964b1b88b97008851cefd7b3a6b893da1bfea3763889253ec7d17393690b475ceef41c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}