{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396470",
    "entityType": "User",
    "nonce": "0x1f63b65a42d38b0be0647c5275935af1d271513c288522dce5cb2b03553b7d20",
    "signature": "0xbf9a1a4109e18cfb6fc85f34c5baf7716ce48663f3612cf77127a9a7a32fdef765e9968f31e5e365bb449195686392eacf126c27d23a249ccc25d9ed197bce3a1c",
    "signer": "0x63762Ba099c2247aD3755af8aCb1d62705f0D5CC",
    "userId": "851444561"
  }
}