{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0x816af49351ad6d25e4593e4fedca25fb101eb6d5291bbec4113027dad3b110bc",
    "signature": "0x51401d3e8898a476891d1afde917d4f1dd39f3a394e4487cb795d651c1dd373b348a7ce7c1ae7c0c8e81fb9dc4675e07ba6de4c81945584b7fe3924adbe348d31b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}