{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1686476",
    "entityType": "User",
    "nonce": "0x907d9dcebe3f43c7ca474110b1ce156a97b74eaf1a3f23d92c0593b0b46f3763",
    "signature": "0x8bd434db6ba4a41de553e3c7d99f687e6cb2ba0a17792e14266aca1f989ae26d52cb18fd24d94b26f582442a3e7d02d8a192e3f04db440a80df31322700261941b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}