{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59424",
    "entityType": "User",
    "nonce": "0x3b33598dc802b29b31d4aaa982731b494b2be05f21365ef5c6435ab88fa1dcd1",
    "signature": "0x0475b24921cec67bb0737779b82bd04940bd84feeb09c39166da02cc73a8b5cc4a51eb025f2f03c6f7ace3e7abcaf1cb88a196ecb54d0c3f56d0fe8b939ffd741b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}