{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "759449",
    "entityType": "User",
    "nonce": "0x09091f87b8c46ec2e3eccb08474b8fb37d6474240ebf6dce1e81d3e7ffe9fd37",
    "signature": "0xf171bd06773dac3f746f1bb32f5de912c4df4808c66dd67ffadf34b21f346a921685c34b4d77b765d5de9954310d1b4bfb2f6079b2e5666ecc4a566b02eac2781b",
    "signer": "0xad1E2A70fa1227797344FD6df31327a26552461a",
    "userId": "153162"
  }
}