{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7297b633b60c7f5187b614400d421a8cb617a065a4f8578a67b775db7a6d344f",
    "signature": "0x0ac333ea898b35fc2caf4c2bbcfe4486084c63cdac16dee34c3790c011cd120e0b566097a592129de37f9ff55c2e684626522cf87e67e72cdc0f569e091ff1af1c",
    "signer": "0x0c8F5987B6aD7acB4F693DE929017e08B1512969",
    "userId": "705280327"
  }
}