{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279352440",
    "entityType": "User",
    "nonce": "0x501a189090362db3d2c26f5f6c70d7532774d739c3dd26e5a150741e688ab1c4",
    "signature": "0xc38f47095465fcca60c008d8189a6adcf4d6977c56e144aa5d774af57b2757311c4d0f903dfc76c67cc3c22e32530180da0ef0a2e1ec0e0f97fcdc92ef1b03521b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}