{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67230",
    "entityType": "User",
    "nonce": "0xbd95bd13593abc73e4726110f8d4a218364f953fbdcaeb8a69fc09e7465a33ea",
    "signature": "0x017681b64124a84b23b15073d3ca2040b874fdbe22cf0508e218f562342bedb6007374ab23a8757145166dc4eba605da2e5eb342c6db547a6c5f24a1b660f3881b",
    "signer": "0xc2866e2a73cc1f91d6F5c62287152F2394D1979D",
    "userId": "216678909"
  }
}