{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "824478223",
    "entityType": "User",
    "nonce": "0x62c7dd707a419d12013e42f9ec42a7cd43089e2d0d957eb18b366f5b81dbf1c2",
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    "signer": "0xC1c390791Cd8584Bc0D056AdDe5c3D747aA694d3",
    "userId": "395219571"
  }
}