{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28753",
    "entityType": "User",
    "nonce": "0xa1f7245f1d5b947c285547bc98ecea8c8a07e849363eccca59c273218c332a7c",
    "signature": "0x7713f50ce2744bd4039a4b79c9720969d662e42a2c8bde2a6aded02f2e056bd4701c4b42c0ede326df5cbc6d5bb49d0df5668f1eb0b54ba138aa41c8a22b373a1b",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}