{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "934065758",
    "entityType": "User",
    "nonce": "0x1ac60ac798008acced4087c67f1545e6eeb64e7dbdf6eb8514dc75796997db40",
    "signature": "0xd434f297e70663c84fe4e1eae1a5a65d594ffec52099a02be5cfb23a11095d8d4eb4dc79de76c9c03d50d7f300fbe88f375185309fc1d051e456b8faac1bab501b",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}