{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x8a07172457305c33aa6463e448ed2e8ac3bfc2c113ea875afcbc28fa5e4e3fcd",
    "signature": "0xed104b974dc6cf7827ca42afdf9c472cab21bbcef83e0c9a48d47bce2dbbaac92b5e4acdccd1c381946264232bc1b0d52f781ee3f49d406f9dcd42012fbe7e691b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}