{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1247833",
    "entityType": "User",
    "nonce": "0x0c78d23bbd1d8bd522432baff1e29b467e86cfb71c79835f65df621e89bf6271",
    "signature": "0x8233075f49207bcf84bc9181e1cd48ac787992771ad2c65eb86b7d3381c8be6172adc35c8e6ccee43630918a472c9315d50282e7d1a8486ef4b3c526595f5ac51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}