{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0xd0ec5e9344497a08d6dab42a233a51f65af376484fc3a006a6e34646b027c4bc",
    "signature": "0x359d66d2f6c592bce8c0c9d38ed084a64490e88783b5edd392ce21c8c51938bd71da7a40517e7523086fc7632e26512d1d910f87ebaeca66edecfd2a100d7b621c",
    "signer": "0x79D4a638460cd4209c5C1e92eAac0854961390Cd",
    "userId": "332669454"
  }
}