{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106593",
    "entityType": "User",
    "nonce": "0x16e9cdfefb8ff3861d3ec3fec7f3ad2bc7e3904cab09f0ac7362e5118f9ff123",
    "signature": "0x215909194c6e01d2ae83f6d5f617466847462c6eac736e4229076fc30907fc2f3997d0bc953cda866856e1c73443f4b9a5c0e633eafe60af8d7932f4ed02d7631c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}