{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x68dc2ef565765c36eff96dfb3185ac9ac2c2467f3c963f424a9701d08085e41f",
    "signature": "0x1a9423d784992b3b1fb4bd84b5e9296fa1133884975c915434ffec4353277f8e3e7d14b5957e1eb013f632af197ebfdd42829a8145dfbfdd63b88f7974f4644a1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}