{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0xd05136c46c2338a0effdfd7dd826b495e79e5f49aa2a6a05486120816aeb05dc",
    "signature": "0xf31798bf3a58a569849d9facb5bc3ff85a4f6fcd07fffa919785b3722119e17a4deed55c364958b0a9e4f150aa18f222fb651cfe58a2438b722a16d2c5283d301b",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}