{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x17f6c9532931f9e397f94f5f8e52ff003e45c4edf0ed33800b9017cf223ee7cb",
    "signature": "0xc5565b0bd02e800e5de2e260a19a0ed1fa41fa35c2a5c20f23c9e38c6bc5bdf916ca56c04146ef077574d817fc31efee61b732141df1d90733e33731f654dde51b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}