{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xdd43d9415d70d2c6d56ab22c20b357821c26a81b8069552539e7dc0f2b6785c9",
    "signature": "0x3a13189e83d2df12bc7e399a617002b238ea6df2d2f190229e1b79fd7d41780a4403c4b7e088011b92f4064a0f5e58b5f47204023fe5c15783e57d9c24d664771b",
    "signer": "0xd81299912e1755E325D343C6dCF261FBbc9980ea",
    "userId": "79804165"
  }
}