{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0x8941898a79486146b8bf118804be15c20fd53daaae5058f1184421f3e0321ce2",
    "signature": "0x25d751b88ad7ddbf3f393908f1582462cbdb29c2da89b0c95b165ee94073ce895e4419441fa50f78f7865d8f6a06ed0456e36d5f32bf204af6d6c9b6c7c764711c",
    "signer": "0x02B4d5531389E17effF879c0eA41e4dA46374c71",
    "userId": "117832850"
  }
}