{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166272",
    "entityType": "User",
    "nonce": "0x26c8f63e29f9e074b3b348c873b08c62b2341edd69a76b772bf0b230cbbb0647",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}