{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb0d98b427d221670da3c9cb18eb6af981bfb7eda68b6d719747c90a791b5fbaf",
    "signature": "0xcbd698b060cec01c3c15be55a91c4d117a9e05b8fc1ec17d3d930cda63431c7e3db76a88fa84ffdea57a15a46c3f83290031e039c40dae1fd0faba16508be5f11b",
    "signer": "0xF895212Ddc05E6D447Fbe5B29e7f87F1Bff7d73d",
    "userId": "628841895"
  }
}