{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa307ccb604108e3ccfb81c5eeef52d110a0d4d62d0860dfe54613f96a41b2b9f",
    "signature": "0xa98681de35120297837e0dab2bad83c5df3eefb02044cd6883e97decc034982f1436195976297afdbe3b1884dc4a7522fc126a74bdef452b199b26803c101bd41c",
    "signer": "0xCA22791701ce80c4fc3CD7796c6a6EB99b1AcC4D",
    "userId": "115354767"
  }
}