{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392926",
    "entityType": "User",
    "nonce": "0x070d7bb2d311144086993820f23c3226e429619b29ad6852acffbc0bb56bf1af",
    "signature": "0xb48eb9be674ee965fec5fc411aa205c700d2abb3b2ba4afab52813cf60296b3e455b6b41a3ce3baec999a98e5b4a2e1cb5e9d18ffa744353f2e78785ad4ff6f01c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}