{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "598156609",
    "entityType": "User",
    "nonce": "0x155a77aaff2a3318a85a4302caaca4b47b5dec70d9378977edc252b2a1d2942b",
    "signature": "0x4d5f957447cf2c8de9970e82f5d8a999483ae559c5f5cd4e191a520eed7aaa9b1c4d703ead05abc1e4c4c012172d54e50603dce60b9a315a4538902272d15d141c",
    "signer": "0x833ef27c5e676B068b59D1f7945C3183e1756C2c",
    "userId": "411919841"
  }
}