{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760716",
    "entityType": "User",
    "nonce": "0xd6d3e843a3d9b2e2ec657d857b10b8c1d64445342a19bf4c8a052b067ef64e37",
    "signature": "0xaf10bb11a13b36237d2feade37d2f93ad7bcbe31f6ef54b1266504ed71916faa2b892034a934d3efbd186e7308f8688cb34e5e88cb188d59ab4d575253731e691c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}