{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x7e28376ad48caa92e6574bc61c7e5102dece3281f4ff1e7be99117c8787ba2f1",
    "signature": "0x9ad9f091557ed675b143df0db4ce60525e7ac249db81ce72c3dd194b5be7e6877b2bde9aa73170467ba2dce5d56603d0e0d70a28ce3eab797b87d2512c23995b1c",
    "signer": "0x907aC62756E029bf9e827f2fe5B765617aA619fB",
    "userId": "189047632"
  }
}