{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461201677",
    "entityType": "User",
    "nonce": "0xe5570a952009ea62e792de42a8aa92228a83e2b8e9a524a0eae7ee013d9210eb",
    "signature": "0x5d276e449b9065c2f6af671fe73bc84d4342dc0be093ea187d7a6f60d344d36c7ae8cac36672618fdb6b4952a4ffc6664b631dc40eac2824fb96f05461944b911c",
    "signer": "0x8e5A6D0829f4226DC492757b1583CBd16b7666B3",
    "userId": "582447217"
  }
}