{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131885",
    "entityType": "User",
    "nonce": "0x879b2e90ccbccd1dfaa466754fc4f3bce537c0c5d44c66994a03a92cb163ad44",
    "signature": "0x45a9ef44e67ba8b3c27ba972d719bbbb1ddcc47bb4ff65f0f52f7dabb80e5be1187dd1061bf71629bfd29dbb32ae53f0e0b013fff9123efb78b6d65e7af0f9961b",
    "signer": "0x0E5E64AF429524C8BFf63b8e92dC2709D672C436",
    "userId": "362390392"
  }
}