{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319758166",
    "entityType": "User",
    "nonce": "0xdbaf8c6809dc30ffba9683da80a712a25d3233159c7736ab4a88a01c1279f0fa",
    "signature": "0xbbee7dc5ffb89037edc323a9ef7bb8b8ff707878cf33f777f03d4342aa455172404cf35ec3717760e5a74bdc21b0c0993b48593d00d312980a6036974ceac3b71c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}