{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x13586d9d6f108c07c0190c882b4808726f9420887ead690e455a98b7e06e368e",
    "signature": "0x39495935eb8f4b37ed959a0ef78862f30b1f61c1687f2d52f635eddd5309d3ea12e060e4e67519f46c5b05eafc0272b1e8cf1f52e2b4bced15a7152b28ae9a5a1b",
    "signer": "0x153E6D11b5EB31185A7B1bC88Ba057bb201b6466",
    "userId": "148704994"
  }
}