{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17292",
    "entityType": "User",
    "nonce": "0xb1575e13b1ced2f9fde4ddf3afe8a571f0dc045f40ae6eca9c0bb6e058a9c8c5",
    "signature": "0x0347fb91df6b592fa6e4cfdd8fe3e801f9b25c067483615ca63576d67c03d8027387cddd038f20ea3cc67d2e71fd35e883a99e30105e5eda4701489404d259391b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}