{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x802f72df5e0e1bd7cfdb63cb364b234df4f99473320fb16de77305c8331212a5",
    "signature": "0x97d92f4d2e65ab09305c8be7572bbc611cd3695cce7404c6f95854c9deed3fd7422d3b54c35857e58fcc2d78fe8805d59f0e6d40046855a36a459dbaf91b62471b",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}