{
"manageEntity": {
"action": "Subscribe",
"entityId": "51",
"entityType": "User",
"nonce": "0xeaaaa3a61d0b6ab65ebec5da03f48c84a432816b4563389fabea99b0362a5c70",
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"signer": "0xB5101d39e79893e46C6d88dA89A71fe846Ed058D",
"userId": "59460265"
}
}