{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394450",
    "entityType": "User",
    "nonce": "0x2be746a38b48ff8ad355c15c1ed2c33886e4a14e9e098cfb14f5f5218f8291af",
    "signature": "0xaa7e5e566f0ddce1964875397dd40700b4fdd9e3e5b4fa4e41b52973f14a97e3571c6313fa8aba7e6b4cee80145fb0aef75e246422bcd460e65fe4f32f88d2161b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}