{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0x2a3b049e9c544ff7c944de4493e88a1e1883f6b328681d3cf19aebcfdc3a68ed",
    "signature": "0x2e3306e1ab5f5fdbf0790fb0cd85897bdd03790ebd1b69f93f9ef2281caa74601a93a690170c00d613929f56fbb5dd600bce9303e97237672fe6377bb79d240f1b",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}