{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe264c883e3c57fb7d15c45745ee53a037ef28ee1509e498199167059765bc37d",
    "signature": "0x9a7d3c8c9fc940ffb1d805476fe97c61840b23d34df49c11aae8a9fa548e42d1274a8d5463845afdfdf78932a9e5e35f87a79adbdebf2e9f7208a76ef13970671b",
    "signer": "0x90A9206Df4cA22A1ad24bfB7F1b639Aaa812Ac58",
    "userId": "266782887"
  }
}