{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xb19cfec4124091de231d0d86d42e85a87d2961b2eab612f651cd98fbb772b108",
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    "signer": "0xC59f7055B078B1Ee57c271E19BE5Dd7033FD64f5",
    "userId": "950751701"
  }
}