{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x003b0539bf296eb9469eb2e50e0410badcc17b2725033d9ab3ea182ed7f057a6",
    "signature": "0xe34fa469a08f82a449bc3fb356ac5c1f3a2d816e2278dde456697a34f45e3c372ff91987f23501b7d85b73575c457d45faa88cd08b4f775e1f249db3daa0f3cf1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}