{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "929245947",
    "entityType": "User",
    "nonce": "0x0c700724e76dfc94fd707ebb6eb7137877e1e906aed9459ccabb4790507707cf",
    "signature": "0x638566218f76b7fa8eac701698fc29932a925469d3ac54b98e74d50f1d0e6473207a34e2ea8f2cadad75f5d9b1e0f9599233c953e85c62d9b356bae0c9f333e71b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}