{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25354262",
    "entityType": "User",
    "nonce": "0x4f9ebc1db76496fe8bd0459ba099d807f75fc883e44f28a08cb11d717d9c6ded",
    "signature": "0x636fe741b4ae57fd65ca4cd2bb6fcb6fa107a60c96783ceb86656ba7fa7b3539223dd7440880bb94662af8dc940ca7840018e579cd93cd1c3257823e8995305f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}