{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "696230",
    "entityType": "User",
    "nonce": "0xc207ac9b813e1f412b23808bc53aa3a2c6a01d04a8489d26bde7d1f9670277f7",
    "signature": "0x399edcaaff54e90c08498d1d454a6e317e9589a1eafb42ab08612b544bab284c3a78a8ce44888c9a39e02379a1d72b0bb198247d09b7fe83e5c80bbe5ccc3bb71c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}