{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "607986045",
    "entityType": "User",
    "nonce": "0x4cc4c5b1b8c16a32a956a3b3df1055acc6c17f5748173884855889bb784def50",
    "signature": "0x9127fd78e985927b7465ab966358312f01dd5b7f59f1d6dcf8761f7a24b5239e56a4079f50291998914a3988186dad0b7551a9411b57d14324ce723a8907604d1c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}