{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "399822794",
    "entityType": "User",
    "nonce": "0xa83e1f3238005560ca49b865bbcb9cc2ad59c9c83f50ed979fbea1a675419ec7",
    "signature": "0x0ee52e622f297e23e5175d749e1fb7cd1ea1528ec091560b6025c00b4929901b42c2a89f4b1eb354573ef139691fe83e742ff8581c2e25c22a851e80bcb656671b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}