{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224685891",
    "entityType": "User",
    "nonce": "0x982126e1bb7f22c14eea65478271961da468892574c162b6b7ba8cbe77f8cd6b",
    "signature": "0x1ddcae2defb80afe447ceaae3b3397c9fb94a91e8ab577190e16560ee7659fe7689dca4ff70c706138b5d773f2cb4fa3690408f6c5cfe1879db1bdf95b4b23861b",
    "signer": "0x90AaEF02cbE90652c7BCC9f613d58093d0306085",
    "userId": "817746417"
  }
}