{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261003",
    "entityType": "User",
    "nonce": "0x3cc466b7f0b31c1aa38a2e872d3627adc690a35526ca87d0092dc82551754d81",
    "signature": "0x0c4ac13fbdd4658a311a3b39dd7fcf3e0f0ac2a91aed89a18f2f5d0f569f2b5264724be9da322ce47730074e08b305849cd608004503265f2efbc5709ac20af61c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}