{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0x6927ca8939d97895ccb60f00609e58d3378b11465026fdbd2baa4dc255938af0",
    "signature": "0x08f6421db9c7d2c63aa6af91e15c3625d5f95429c1580e2ef64d1d07bcac0d45532301fd76fcae3c0f1f9ba0ace163a15f1ad27978fed3d36a80977913273ee01c",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}