{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9f1ca67fe9818e404e09ca5ba91619b183e9d635f8d5f5c5958927dab984881a",
    "signature": "0xe1770943c489a220117aa00f35d9d75928aabb85da77f53a81dce59d5792799a7c05020f36e8eb0b3392741a6683065822d4504cb3abc7e5db6dc9141e93c0411c",
    "signer": "0x32F42bE033dFD910EF4621d8b2F9F35339d498cA",
    "userId": "301200780"
  }
}