{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x865293c97251c6ca93d314c7af9671826db0a64f0e0734c9468509c2179e0ab2",
    "signature": "0xeb566b2468e367bd3bcd93f2f0e34c671f379a779078a5658922e136c2d06b7772896b80038da94855eb709923fb6fc6cbc04dedac8b47c5d7b5366cda9ed97c1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}