{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330084",
    "entityType": "User",
    "nonce": "0x59bba8c24a62df89d33dc06d14a4622a30c3771a25467d0d9603c0919e6ad652",
    "signature": "0x075682556beecd6e6a5ee46123a3a3528ab741c64b2719281f9dac6453b3d5366704ac207ec24561fa719c9da89eeb4526b22db7958de01befc84e17c848009b1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}