{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6ffdc502ee421a6ecfaed5c420fa0924f9d93274927e44561087e29e0545ff75",
    "signature": "0x01f8e1ad0d5f2f23ad5e58b2f98a5985c17ae93f24ca11149a6ecfec61c601443e20a6591150b4b383a0c11410fa8daa7f309a244d6dfc40a5fc930b8cfcceae1c",
    "signer": "0x6d086bA318a88c56F066d364ae6A329a6AD79f1c",
    "userId": "906202993"
  }
}