{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x71d162873db866167430e8f310d90cd728e16e0a82f4a2116621efed2509ad9d",
    "signature": "0xafab6804cf71a3100fe15deb398979559d9939b0ca875af7ba79e59c6a0a7f3d4f2a6649dc0ed154434c0a0bbe8444e48b2e425f9ba7123b81e7f11609f0628f1b",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}