{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148972",
    "entityType": "User",
    "nonce": "0x6830ead0edf17326ed94e2d084ee6e6cda87d53a2491faaa0bd882bc36be30ea",
    "signature": "0xedda14f074a6c7141737a22a57d0d5e5e9fa221ead5341427818c7a2181625f6124219ec717bdd3ba1b2e25d1828d97dcaa7f8819fe329b9ce253e051242adea1b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}