{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44512",
    "entityType": "User",
    "nonce": "0xd7261705c8b070a284725ab764753ccd97d76f1aaa1a6d32add191134cbbcd82",
    "signature": "0x19b169fa6a580280226eed7c2b564e4b89d6c8f3cf1505173f80abec2d461eee2616084945d8cd9489f8f8e480194427987cad9b26c580f36d4686d80c5fd5391b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}