{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22779",
    "entityType": "User",
    "nonce": "0x38dcd53ed9be5108e70ced3b74ccabcbf884eb27943aefc0d69f5d73b6609930",
    "signature": "0x109cf387d6d6cfe9145b87dd6d7a89061783bb5806a7aa229b36be4f9b627bae5faa23795d207542c08d2bc4a66d6336f9058946f3ce4365539c8bb7c69cbc261c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}