{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288167767",
    "entityType": "User",
    "nonce": "0xb40b017f523c71e56677f1ccd3b01bc72a92910eb4bb433b102d085f198bf64b",
    "signature": "0xa08036eaebfc44a39c23458abe618aabcd5e295153a38d1e0f9fb77fca0578bc02ed8ba86c3cca30eff05a3debcf5da867f387eb68a1695cc6abab489cafb1361b",
    "signer": "0x29ffB0403B425D6Dd53D7b96a9192b4140240284",
    "userId": "244961"
  }
}