{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x909968c5c20c64e21be54346aef0454a2b8f6be6e85e4b2db72b3a7577033f02",
    "signature": "0xf81ec8c8135a42a22823e2437eb4d8c6b89d6357ffc1742b24512d048632415701b094c8f34e4488c8ab60720212a9a482800715919fd623a04dc2c426c332071c",
    "signer": "0xF51BBf2D093bbC94555bc2299Ae53Ce8F7963374",
    "userId": "38277"
  }
}