{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1431",
    "entityType": "User",
    "nonce": "0xae47a8ae39818a7700f09cfaf837a00edb19ea32b1ec444eb94dd93a5c7bfd7d",
    "signature": "0xe6ef86571e5900e7b32f47d4c4435223930101189c2763c4087a04e890fc27222887f62a17480e17b8d56230fe9fedf2c0954047cd58c79b68e20bed68cccf641b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}