{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346345309",
    "entityType": "User",
    "nonce": "0x05f7397db4c683ec01665e2458b00ce43659ad3ed3cbdfabc5a55566f5bbc22c",
    "signature": "0x93ab128170722482481afe33973c934b2c9507aedadaa02cb104f95da52c45ba6f12324eecb2a771e1fde539da709f482547605e522effbb217bfd041c56f6d21b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}