{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126096",
    "entityType": "User",
    "nonce": "0x4322c52b2767e229d25eafb0ca32c6ce201ed96a4b458757b67e71ecef4ea76b",
    "signature": "0x0b549b8034f377e2812474075e8d7df015d8ea1b3cd4d21e9f69bd2cb9ef8f5572b5c0fdd51cbdd22d56d36b564a7ef68dcf5e2f2a4538b9eba70bff2d3a14681c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}