{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xa26e9fbd21f86251bcbf4e1ba59a8596a23b500b9aee85cdbba3fcd560b6646c",
    "signature": "0xc519cb65e36d2382441930f0bd0f342f7b9f5142b9a4ab5bad324634ce60e88a7dda285d86deb49c61e4ecad761cbe05850176c47777c29cadcbe85279d586471c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}