{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175193",
    "entityType": "User",
    "nonce": "0x469d048e08456e7d32ff4e1df6c790838c1dc428d5864aa7502f42a39e2b8a3f",
    "signature": "0x2234e7beb13349297b2aa85741cedf006a410cdba14daeb8f8f14901abde05c437e78a6cb0db0e20d7ab0fc06c219f2b785ea34bc63f2cee6579db003ec114fe1c",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}