{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "47531",
    "entityType": "User",
    "nonce": "0xe328cc7ac383b4594a281d094a8997a72a5f6dc2ef11dcc3fefe8fbcb5371387",
    "signature": "0xea5b9971ae86d7bb5ed17f48dce0dd52226ec9fd082fb0226ba5bdd9cce7aab55a60188312463508c33088a117ee7f8d41e816627817cf7035b3ac93c1ce2ed21c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}