{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9c6285c0ac5015ac233dff36f32b8def978bdbae882acfd7c52b815ebdb3b962",
    "signature": "0x93a646c893c543f3c97910eccfc62d4b19cbca77f49e3c830e99b8a71d0ffd2d6ca2a7263d35b13e438955f6b22119f6c5b7107938bd25a696fa1e39e33c8f271b",
    "signer": "0xbcCDA89f821700CCC9d972a554965feE93251DfA",
    "userId": "610861284"
  }
}