{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5642",
    "entityType": "User",
    "nonce": "0xfb0589a4f9009bba3c3152d31b8698b971903e05888ed145e45c88b59d9fbb43",
    "signature": "0x73b537c3739e2e77b151f540106a5a7acaca651254d0bd1c6276501c1cc30e300e2795bdac1093841d9f6c9b9d73b2fc3857c555e6d5c3e07102aaaaaa2450e51b",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}