{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3710",
    "entityType": "User",
    "nonce": "0xa569275ab388e998dcdbf0ddc4939fb7d6fdb902442b681d49885e1bbf03dd16",
    "signature": "0x49cc696b814be43f69602fb1ccc75cbfa8469cb77cf118ea9e0380c1a36d92716cc2e34581079f03a34e04e8d23409fc2fa6c81579ce0c2cfecc614c8e55684d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}