{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10787",
    "entityType": "User",
    "nonce": "0xb9ac1b88e66b854ce522abae07ec88446426fd8dd778a9f3b23c4bcd2bbcf4fe",
    "signature": "0xda36802530797d7b5ea3e3e561a66f89c08cf8a842701e83aa3c4ab96b90cd000b1e0ef155b9c1575f079fdff0014a7434c03a0404fc16c5c8759d51b46b862d1b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}