{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10048",
    "entityType": "User",
    "nonce": "0xd779f05102ac7a64a319c5be208d9690e5512e973a1e86e6b32d278e22c44dba",
    "signature": "0xb6372b7675269f1f846747a8d366e1561b5e228bc325839a439ba237191dc02b59c047f98fadfae61c2dadf5f6ce90d4718553f027d0b6595b90831038acd71e1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}