{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151148",
    "entityType": "User",
    "nonce": "0xf666f632dcec5a1bf3844f3d396a175573170ca5a7a15e75616c0b044cb19845",
    "signature": "0x8d0ec8d06ac80d5ce4261adbaedd5c50694e43ff7b3a8f1a11b8d888279ac2794de09f9c1f5bd0dff68251f62f8d00efd8ce326245e9f4e5d41c5f1d8d4581fb1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}