{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134595",
    "entityType": "User",
    "nonce": "0x186a570ecf43b7a95b4359d3251828484a4d655092665dc3f0e18eb74d7a077c",
    "signature": "0xafb9daa682500c8e2e459897be68b6ea39fbdd3475514b74e2c305d46e1fe52946c2df614fbb152fc4d0ccce4fc301df2b11bef553037f5414575eceb6a460b01c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}