{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261134",
    "entityType": "User",
    "nonce": "0xd4399114460e0630ebaf3422a834644d45f7c027b6004e309998a751cabd6f11",
    "signature": "0x0fcebb024639c8cf5459c0f90e813540b4e4030f80ba97da42b3cb99524e95db6ee519db5dddc879fb759c9a3aeca9c924d4ed79c82a6395c9bb53cd00b7e7d61c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}