{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0xefc5345f9ba93838f02a440357053bb8c2a621a1ae43544823c037bec912c9cd",
    "signature": "0x3866a59cbcfcc5d8aaaad8032423eb2e9143e61d2a01f20668cca9f611ad3c2849ada916abe69eec2b0a70aa5997880473df14baebfea735f48eebae6de1849c1b",
    "signer": "0x417DF7Ac84876c4Ba8A476333a7F1326eFa03593",
    "userId": "178351686"
  }
}