{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3a24f6537607b48848f97e13e2398de2bedec2d2b960373c45572caee5c1743f",
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    "signer": "0xB56F01eBC829d36fE107dbc4CE39b97D5dB51356",
    "userId": "923852448"
  }
}