{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172521",
    "entityType": "User",
    "nonce": "0x09e2ffcf40e4fcd71942f8f3d06875c949d2d4e1330ab4e5e7c8e5eaeec647c7",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
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}