{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27388",
    "entityType": "User",
    "nonce": "0xf02d1c206a88ae0cf7753a08cfff409ea465948cbc0cd76cbf2f0711b5262a45",
    "signature": "0x6371ec39076e1eb66c02bfcb5c5ea0dfaa4e77c7c9c0e51a3315546aba5f34c11c5ee0d52e3d63f837defb086b7504c66bcb74913ae71f9f3157e8594b689d131b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}