{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131834",
    "entityType": "User",
    "nonce": "0xa2f4bb5d6c5dff1c4a44645f370992cbd51cc208924f62c8a4cecba30380c4e3",
    "signature": "0x618683571897aaaa21d54390f99d43f4c8ba2e80ee625e3ffd08821263d4446c4eb7c32bf670a0928191b77fcb449f29faf1113cbe6f3ac16d949613ac312d221c",
    "signer": "0x44EF8574342fE5cE84282C1A7B8196c9d64eFe50",
    "userId": "365763239"
  }
}