{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18103630",
    "entityType": "User",
    "nonce": "0xccb4015ebb556e9a7682706c98008f3fe325e6a7a05bafc2d3f6d8c55b630b69",
    "signature": "0x14a8f95b361e5726d4c1242998a163bbf3cd85470ee4f986e2acca93d942086e649d637b5b818afac52ac4f4aa85b619871c177bb6b95b00a3961381422b52681c",
    "signer": "0xADBEc7CBdC007B087ebc7ae272f8a3cf42Ea0184",
    "userId": "466377094"
  }
}