{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995816736",
    "entityType": "User",
    "nonce": "0x26f8c526232c79f94b539ac53bf4c0b9f000c2a221022d2b98d8764f79c68ed0",
    "signature": "0x265d059b34b2ef4e7c738829cc7bff70f218e738a9338ade7c8d84719c11c4f23b4da639e3ae28165ad6bde3229485f9211e8b097ab2b767c45f738bc5baa3ab1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}