{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71868",
    "entityType": "User",
    "nonce": "0x546c833a1df7e92f77026ae5cf7e3b6d1b440fccd32e608a90cb830eb3adc551",
    "signature": "0xb383c0cf944b9a90a0caaa909f537baabc12809091c24a2e18bd60ce0ef1fa16147aa3af79dcc45673b9959e88048c2638d0a5fd19f543afffb7b2ddb5f8e1fd1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}