{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x5c4231c0bb041641e2a866f296001bee4955e300c41d751cec11635bbc6f5cd6",
    "signature": "0x22c32cc27fa9fffcd9448506cd76eb14f8f18a42d64b971dff3be2197a9c074c72be07867d7bf96886fe91eb659f2ff6f80c4c5e89bd6e124d36ea392d00f5a91c",
    "signer": "0xdbb5FeAE65617ed3C8616A66B1152898647cb83F",
    "userId": "936213876"
  }
}