{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "605067669",
    "entityType": "User",
    "nonce": "0xc5252473a38234ac452cc3d0753b70e54f70dc77425b11aedd49a249eae41ad9",
    "signature": "0x1a86bdf6c5ec3f51fa32051c7a160621a81c8b548db180208dc96956b93d88ad23e027c2bd26abafe7ccf40202a096cb1292cbc79f48aa859426941a8cf841b51b",
    "signer": "0x28E041745695914518512137a56c9810034C10B9",
    "userId": "134529"
  }
}