{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1996082",
    "entityType": "User",
    "nonce": "0x8140446736582148fb524df27753afa64781505d6f53097b8693ebbf573f53b2",
    "signature": "0xa085fb823957f0f1480fb0f23514688633dd28caba8628f15a7fe50f9e1c9832418e92b93ddf0c3928ae7bdea70023566d01f812adbb13cd908503251b21bf9e1c",
    "signer": "0xdcAEaeb1b2DF396B02cDe67B3D030cDf38261A5B",
    "userId": "58531"
  }
}