{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1450501",
    "entityType": "User",
    "nonce": "0xccf3d5ed784304f5648ebf89e80c3525548e61fd3a5adb6d3712073cd9de1c9a",
    "signature": "0x025cb03a08d1d50b6179c8cd3e7ff9caef6b09fd812fdd0386447f56fc0e04465cee2c035054ede96953a7335b0133fabc982103b0060606c3f0648488c1a5a91b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}