{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937477517",
    "entityType": "User",
    "nonce": "0x2bee9c22b4e7dc3d61c7b7589945b68152b95fdd76065b84a2d8e63c9d80b51c",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}