{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "730269",
    "entityType": "User",
    "nonce": "0x912720e5c5d739fb4e719e2ec2747b53a698c596f5100452c26218fa1d365cd1",
    "signature": "0xc4dd17b8f9fce4bbeb2132fee8438a25988bec66941aae87e7d403e1e51b9f69281c77e2c67da16da1c5d2226d11b72587475896e80a6e1c3e5d0000536b30a11b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}