{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137120",
    "entityType": "User",
    "nonce": "0x023eccc7c738ca550dfbf0381f02cede0e2f8747e9468be33e3f671285cfc934",
    "signature": "0x062a65401c9b5068c6e211526a079d5d0d323953b5206153a0cfb9fb8e66ec077a7ca158468b00f8ca94762dfa73689ef25f16cebcc8ac21cb022efa1f6d15031c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}