{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786939",
    "entityType": "User",
    "nonce": "0xdc5d0aa9c5b6010ac63da8f2f8a3a1609d94daa34bbd95062523fccf6ffd9a8a",
    "signature": "0x05e6ecca7fb5336c8727fdb7b8f76349eb97145dcfb9c0bac0f159807c7c26842f19e816e58a879aeeaf257e420ce08c3e5945a0ab5da06acbaf22d73f37272d1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}