{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315603515",
    "entityType": "User",
    "nonce": "0x425119043e17cd402e8ce4d9749cf687bee7ba11f6e9eb845306b58f504d1171",
    "signature": "0x05d3e5ffc4b9ab482b51426a3d47a5e10b1c16c043895c10b406a62df6da3d8e13d9f4af237592db1c5d16e7a227c0ab40fbd377f24b8fb5a16ed6f39089f4c11c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}