{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152482938",
    "entityType": "User",
    "nonce": "0xd2c589a7f508ddf931d731eb91cb9ac1f0c7f21eaae56746208d3b535c58a4f7",
    "signature": "0x1a3fcc0a922533b65a7ddb99632f8d28d60e28dcee4c708be2c5dcee2132d5d07e6b43361f6da217c0d38b4fdc2ef16de20009e7bb0622abeede1c23544b1ec41c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}