{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12634",
    "entityType": "User",
    "nonce": "0xf7c926c0b7fdc60e0e720a46b94160d60c7814f27c7d5ea09b0cafdc5bdaa6c5",
    "signature": "0x640fcee5fc63cd567f0101702f48dfbcc00e0c6810cfdb12779beaa936db4fd94448eae38a43aea378e0e66da5eed15235ef4dc0fb13987be38d77d407a2d11c1b",
    "signer": "0xca1a365Fd906a1CE91746d9bc90AA2CA97AA14B5",
    "userId": "876850037"
  }
}