{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85657",
    "entityType": "User",
    "nonce": "0xce37b7884065942931ebeb5e895ca1beaf1ce6136667956743c79332de00b961",
    "signature": "0x438e282611d7ab0c23dc144930c2d407afcfdb9192a438cb71522ca6979acf3f4ac4d3e7ece6cce3f6e701e7bb4142e783e1cf92e748f12f3ee628c0974b923d1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}