{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614447048",
    "entityType": "User",
    "nonce": "0xc7522761be7b70cde7342a43c6ada9ed6bf9204f1b5f6d0be6859d7003810cde",
    "signature": "0xa6fb3ff1e2edafa0707ad1129e0f3cce91e45398ff587af93678359e538cf30c100f4226402438ea58ec0846a483b0e8c6a5013ad4fc2da33a5bbb7a0a387be31b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}