{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb40a3980f227ebbcd6ee6c2ac8cb96653400d83da79cdf6f2d9d5f9fc19987eb",
    "signature": "0xf7b360ffb7cd40b370ef71d98f6db11bf052972cc8b004df7b6585a137d2bf0a7582d24890fd80bc89ce7bd70ba465feed7e616e743dab70f936dad7447617981c",
    "signer": "0x2853B9af22e0F073F57ea6818F61Fe1995135054",
    "userId": "853261588"
  }
}