{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xbe4a0d254919fbe0953b037fec1e553648ab043a251cbdfd2d30b415f6847704",
    "signature": "0x1f77c55d5a00a92e38c94d2525766f2a48ddd1f061d486e0815e56a121cfef6d21d3553547020881164922faa8e46b567634b2f1a22a9f3656a3e6ea2e896d5a1c",
    "signer": "0xE22639FD840080b20889373FEa6060B4757eB9c1",
    "userId": "274627911"
  }
}