{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108176",
    "entityType": "User",
    "nonce": "0xbe5864590a7f6d66e55d75cf164e914d0e422e8cdb6b9e0c21d90f141b58e03d",
    "signature": "0x4e13866b48271845cfbd0d6037f8de169f89712e6c8636f10d5f41f72f619ad404d855f431225941bc425dd26cfe3aa1447b8d3da87bb93579cbb481b6737e9c1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}