{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314581",
    "entityType": "User",
    "nonce": "0x4d9768719980dbfe0834561c8f9aa10e5c77f37ad2131c31e220b4c9dc4645ed",
    "signature": "0xe8acf58589d807d29f02018f6b6ec34618731b01e7211368bbcad6a70d3e35b814291101d981893bbce6305dc882a3427c58e75df29b18f794086cbef90dad491c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}