{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x806cc1926890bb7e256d64b3c484211bfd200b3e58a7453f930ed117caf0d3ca",
    "signature": "0xc79338a1c009a3b7e51da00edc3398a4b43e568d54d53e643f2bc7e14efe38c57da8efe152bf1de042520eec3d640e9108201af5b13c9bae5764c7f08a77b50d1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}