{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115455",
    "entityType": "User",
    "nonce": "0x4e873207094192f288067fb95d839304c5b873b9225c2f530fd4e430e69942fd",
    "signature": "0xe4767043b0231afc4e83314c4e1f20573b467f473be2da8ee6cab214c84904e70add193acb9f8bbd8b5146b0a791e7781a1eeeb64f46acca8751b73d68a0c56d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}