{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "387832",
    "entityType": "User",
    "nonce": "0x5f141c7aabd437ee9df1acc61b181acaaa04f9754b2e776c228bbfd0a8591d04",
    "signature": "0x6eb58f070e6cca2d452a75967e5d8232d50a23de40d08fad105ec429f1da7f6e0f38460b1d438565253f8761313fb6b0bb82ebc563e0d4e2b813714ef2b7852c1c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}