{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "160494",
    "entityType": "User",
    "nonce": "0xd6910276cfbcfa74b337cd94b9fc993968f1c593c5e1139ee2338e43de880d41",
    "signature": "0xc688d2caf83bb57fe22f61c6b23eb93df1578561dbb92608b6db720e7627a85c13aa8bf7e61510492265eb7c2ffd87671b8ef6cb1ccb4889cda9f1020d75e2161b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}