{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14042",
    "entityType": "User",
    "nonce": "0xec087484d97a406e3730fc03cb7a95726582bdb74298eca98a373e5aad6c2507",
    "signature": "0x18620f552f73cb647150f07e77cb66dd618030d64e72e81091b3bca94e6399633d768616cf9a9aef088af6eecee415fc5677c35ea725f112d520e4944c934eb61b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}