{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126161693",
    "entityType": "User",
    "nonce": "0x0999ef0534bd72305cdf7f9e7a8bb0d46442225c4dc6b033d62733698a6adc11",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}