{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175205",
    "entityType": "User",
    "nonce": "0x13bd894efa5076ef7aeb65433221a7cf2b6a2a853ff223835a815870379c46b0",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}