{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527636914",
    "entityType": "User",
    "nonce": "0x96edddad575a5531936b09ec80451148bfcc9cd990ddba823bbe20d411ebde34",
    "signature": "0x8936c4be0123b9cd2afc42b50e2fbf10d3753a1c7bd8c2def44acbd9591c2e536815ca544f9a8c74b42342ab7e557feab1c56e7a40b775c4c6948e39704d92181b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}