{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x96fdf5a17070c525cb47ebdf6ddf7fd6d9bb3f22a66300b709c11b0d4300e115",
    "signature": "0xa06a300c9338a116322c40d1fad6ec75769f7c5df4fb443e93d2f46543d575ce640c9bdf388a25b4341f468fd2a938eed0c9e4113236e59339544229cfec9cd81c",
    "signer": "0xb11A87421a60283b875d2F958D27356167224eF2",
    "userId": "858465138"
  }
}