{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x4a42a1347cff6951810c3a220c0395eef33f2a4aeabbfb55ee63130c88d3e915",
    "signature": "0xfba517b2937e1be7a00a857901e302998e19b5ee73444f053e9c2a212829e831061ccfa228b01fcdc3055b5dad110374c21d4d760fbcf4946fe112d3692874e21b",
    "signer": "0xc8b59C26109BC380ABC47eBad3DF1FB7d6aBf13C",
    "userId": "37821039"
  }
}