{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x059f8c731c0f22a0e9123e7aba854fc3f17031800febc84061bf10ab18d2b740",
    "signature": "0xc1c2e914da89f90caf6f12e4b1bde19a19c749dac6865e9bf1b16c43b7be55f140da14e427fe089f8e0a77b612feccb3c71396813dc9a50496ff9628c3aa509a1b",
    "signer": "0x98d647545F36CD8104C66908F6a05af375C24bBc",
    "userId": "662125453"
  }
}