{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "463590181",
    "entityType": "User",
    "nonce": "0x0d932fc8d6fe841804e2259f29b1ab158756f9e20a79f3709648a2ea8e118351",
    "signature": "0x00e1ffe87bdbea73d765f56ad49032e0faaf8e71bb9896d02c6c4c55d75967b70c3f12f421304d7c8ccf9d6db4d3b78143cd2a06f8643ca576130d7d04b687d21c",
    "signer": "0xdce8AFD41B436C058DC5aCa850f232129F567359",
    "userId": "544327632"
  }
}