{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67671",
    "entityType": "User",
    "nonce": "0x6ed04a2a5497116886852a0e43ade56fbee39f1adcf3c45dd76e4f495e8dfca1",
    "signature": "0x529b312af8ea28ac442a422f43075034e42dbf46e47710c6b2fe175f78ead3cb11d267c380aa0bd88794644fac549311d13fdf26dd3ae6e27e1d5b9b06b7693e1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}