{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x26b29bea04645d23129c3bf412036b83eff27d19192d6db52e7f2bc59b79e15c",
    "signature": "0x0cd2076bebf253602359953fcf04dd171bb1d2389906fac089d2abe5c4299b1b50f4b044d14066262f0bbc9c1d0ea5d6cd73a6e048ecd253fb52310d48091ea41c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}