{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203322",
    "entityType": "User",
    "nonce": "0x24112853d347ee22b5dda7fab0bc67ec07197b7836ac676139a1ff2fab8f51aa",
    "signature": "0xf53cf5cfe43c0a4abbee59bfcb525bbee289bde60ec74e44f1f1882b9b15fd8458b729685a02a6817758c9751a19eab7ca353e0b34afe72e2e625c97938143601b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}