{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933",
    "entityType": "User",
    "nonce": "0xe0e7d31eeea559d442e2005d7866a053eb14ae0ddc17995b4acf9b626a1e5a80",
    "signature": "0xe1631854b4c434593927d0b8dbd99e879e34f01156c9cf0780883142bb42c4da491c1badd631fe50d350f47575cdf9e855f1ca2b6b3d26610d8a0bd200397f7f1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}