{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x5d2ccdd28056d7eb8653251ffbc55b0ee3dfd6811e9c2b4f08f51afcc648dec7",
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    "signer": "0xB56F01eBC829d36fE107dbc4CE39b97D5dB51356",
    "userId": "923852448"
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}