{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x210d11a84967ecca48757df3b81fb0ecf10cdc3acc4a40b82a79aa4d29460f73",
    "signature": "0x15ad3cd2e047a02c58250d91a3bd3f7a2b87b02fbc0ac34a91248f0bd96cfb424128cb2c0c01534825ea710ad2912f6eaf68d1819aadf658ff500df9811522961b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}