{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1316",
    "entityType": "User",
    "nonce": "0x4f92f62506327194ca14ad75b01de49c4868620392f54e4b41fec3f069f4457a",
    "signature": "0x2f8376c66bb94cd8e731fd3fc7288fe99634a11d3a923de1bf9a4c988b56ece8721c1e9e2a6873dbd217f31b591c55c6296fd5a3de1ea13f674e09af6cd5530b1b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}