{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211416595",
    "entityType": "User",
    "nonce": "0x5d194f9027c42a2e0286ea54cef4ec8f35ff2ed939e5e5a0ed29f3cafe703709",
    "signature": "0x050bd63839299c957612ef9692c7d4e4c5b72ff6706ca2d11e78d3ccffd489e0398cc2df12e55e86dc6cd060fa5dfaddcb32dd53f1ac52688ef61be4c376b6051c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}