{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361418",
    "entityType": "User",
    "nonce": "0x45c8236db5e855565a6fc292f31dd76d01f3ca7093e9e30e7837723ea7702014",
    "signature": "0x6ed1efeddda3cb7c9d6933327cd64e1012016f6082713aac79656a81fecc20f1552519312ce92ab5341868a798aebe7d565967b7f6f46565b1394d418dee39371b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}