{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x00016d3f814cdf1bd64a9c68cf5f53766b785cbf97a9c9588df0081d8bc5e931",
    "signature": "0x3566f8b39b593abdcf80b10c4be8a8e379d1f773830c1bb2f59a1d5701f692d26485708e01c97d7a2be9963cedb065b45df65e18a56f8210d807a4ca8db348b71b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}