{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "247993",
    "entityType": "User",
    "nonce": "0xfc84f8903d76f630e8df7434f12e78610e2c31a717a6a27298f82abeb184cc49",
    "signature": "0xa17b222e48bc997b52bad9fa05f659493ae223279711a65aa5c9363d33555536004c46adf297dbd88042f38d932ed0ad13b137cad31a34e176af63c3190eea4e1b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}