{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317380",
    "entityType": "User",
    "nonce": "0xec01016bb2cb564d633a0053b4033ff427b95ba278672df8a8f0d19fd391d8b3",
    "signature": "0x4255127728f8f7fc7c7f6888a6cfc3a874209680e794754f66affff13441460c07dc599899a14f61203a63a485d69e88f9a83542f2cf104da6ebad0f6938dbe11c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}