{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29401",
    "entityType": "User",
    "nonce": "0x9f3ae0c85f427be0d6dae8272c76f31361494c023c618d8233aa9e241edeff92",
    "signature": "0xd7173607f16e687cfe12e310beec40e89b9935892bf9f4fce7e472653c6a610a39f7e1e3dd0e4443e3e472d82f12478954dae08e0f6d5709592d95ac7452adcd1c",
    "signer": "0x3765700151BA1793CFdF9F4ef4c8fECA3Ea076DA",
    "userId": "957835565"
  }
}