{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69410",
    "entityType": "User",
    "nonce": "0xf7d1b95de3f741380fa3c90742a9ea6b51e7e727b510e35aa6ab17cf13ea8369",
    "signature": "0x0e41cec21ac868d99661d603a94284b0898888292fdfa1693c8c9688fde0ce362c78a50007d011f3f2166801127c6f9fa005cc64fcf096b0d6e24646446f59cd1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}