{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77755",
    "entityType": "User",
    "nonce": "0xdd25cdf8f59e9083ac394c088b8f57b1f502d223805fd13c6e923b94ee1500b1",
    "signature": "0x48fe9d7c319067d4463c873af4727906375918875f6fb57a5183ff486345dda931bf3d74c28d2b949c83bd01f6130711568c20aa2b76e435ab8d23b4b714100b1b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}