{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138114417",
    "entityType": "User",
    "nonce": "0x36a6f69bfdb123623ac1418934effd3aacc42da350ee6f52d9e6d509596f6734",
    "signature": "0x4c80f03f9059f8bb1a736a75861135892943c12261ec0cc12df6ecfd9e9b8e617e68ff53227d292c43aedaaefd902a45eade8f3527655e5ad3cd0e8597f710111c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}