{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1478824",
    "entityType": "User",
    "nonce": "0xf27f848af851846ced6841ff786ab64868fe1070ccb98b4e59b4bb2a20eeac46",
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    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}