{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203774",
    "entityType": "User",
    "nonce": "0xf68370de7ec73084562619a0273f5c709c848fef69cae7879d7dc18d942bba65",
    "signature": "0x604a625292b4e22c4d91e1a0962456266ee5d7444455c24d74c591e0889c970330d592ea7d4fbe554e0b8468ed6da3cf61b379d56e80f8fa3de939ba8f19f9af1c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}