{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0x180ec84b1fdd63b9cf4033cdbf04be200b2353eef2c080c03d5625f96aecd8c7",
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    "signer": "0xDf325b3870fdf216bD42916714b1AC2FA2D27425",
    "userId": "2009913"
  }
}