{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7072",
    "entityType": "User",
    "nonce": "0x7d4911c68a8a679109cb218ec68777cb14e4bea67d1a4bd1b31a0c2fadc2dd8a",
    "signature": "0x8ffe51f33123faf81394d7c6b23eeebbe410fb64de3825beab51c83fef0a6aba386c88f4abe5b6f84160b1462eb881a16bd1f351a0becd4bc3332b8772e3d06a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}