{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xee864f857aa85d3bc251d0ac26b1ea442aa7569b7c42eae599997359d30eea83",
    "signature": "0xfdd065f8426d04ce8dbc2e3b784353361bac6bd67be5d653f87b916aef7346ec11fc915ea95700bcf451370e694a861b12a46daa9e2aa0cf8d73bd182b48d4a81b",
    "signer": "0x49453344e6cf32d3172b6Aa3Fa67e98Efc2d6284",
    "userId": "220496640"
  }
}