{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18167",
    "entityType": "User",
    "nonce": "0xf28e0289d71cf8d548a65b81d68fd07893a346da15687dadab4c5d6368826951",
    "signature": "0x78fb948132920dac719f7484b83e0273beedb528b10ea4a3cd0bea56f508c7521acccd7da0acc114808fac36a7c2c526b0b4a195b43197b3808d29d7f6333ddf1c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}