{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458785967",
    "entityType": "User",
    "nonce": "0x8ab65dc29adffa5a3cf2ad16e8d81d8552fd5b272d950fc56d39ec1ef713e478",
    "signature": "0x20f9d31835c887f0ef705a679a3de8633730016f4a3fb7bde122eb20a6069552139444b1965f1f1e180365cbee90173c9a86e94d720e6e88a1d5c83df3d93eb61b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}