{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70831526",
    "entityType": "User",
    "nonce": "0x1366f4d70471dc3637933313753cfd26b7dae7bf546a8e953b470f264c10f7eb",
    "signature": "0xee80978c58c12892fc69a298677b13a87b9793304676daae9e7f54fa261be23016f530bf614b05da0465a46d092c0d748021a2e90bb4ccde9283c2e1e721784e1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}