{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361539",
    "entityType": "User",
    "nonce": "0x31919bdc06ed3e8ae386bc676990bf1ffabdcd781e388153efca5ced3c82cf35",
    "signature": "0x58fc77ba6bfa7a18b89ca2162ea62d71177ad56ee41bb7faff58d94ece4d27255763f41e515c9fe92d586d9292e156a66036b075f9a63d1d6153a16bb31569721b",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}