{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xa5e31285d1e78fe90c80894a2339f1fdbd3ba9a758cd7ed79f70151b3545bcd5",
    "signature": "0x111a383f6d7347dfc7cdacbb74ae0b1d20c30172c7f6925d80aba6d83f65647f5f08d0f66d3a56093aeb1e870780e1bc4d6864afcb4855d9844c3005d36fcfb81c",
    "signer": "0xc8b59C26109BC380ABC47eBad3DF1FB7d6aBf13C",
    "userId": "37821039"
  }
}