{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x96c8bbdb0a880ae16258d36f7f93ed51ae207db2e164a7b6eee6e7c7ec85f1b9",
    "signature": "0xdc14a8449305f1e1d6479fd011371a48d4e0c8c0e0628e4298d32e687009beb11b2e7b40ecd552038f081e246fb0eda28fbea08055cb2f4c93ead2ed8e3aa3e81b",
    "signer": "0x9e170ccdBeCf0871259759c43e12DE99fcf47Fed",
    "userId": "898176077"
  }
}