{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301112",
    "entityType": "User",
    "nonce": "0x440e66bd2c7c09c33316671b95ccdf52d1aa2a29c1f9695fe9f6ee3f2ddfface",
    "signature": "0xec8ee433dfa48120b9dbfb3aafb44b9e03b600590188106a83c8ba66aa32495b60e592dbbba2a12d9e7af395468ba7337101127cf65cc27baeaaa1e428f844191b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}