{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x526ed1d1d569dd20e3b4284fee57245f256cb9ea8e6aa6b876f76057ac8750e3",
    "signature": "0x88385fb369ef760781f4e216094d89545adfe2f20a19145be8725f23c8a446811c1fc9779f8873e5cab80b2e8c6a891b2dc40acf9f67095db212c68e5c1716221b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}