{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232498075",
    "entityType": "User",
    "nonce": "0x732ef3f81bc2eab599f0c073a7922d76c8d5052dbcf011e1239918ebcfb6399a",
    "signature": "0xc0a912adbaca959301a1c8b7b4fe7888b19fd7f56891301c4e845622a8b26b42543320c35e62e1d36549bf7aa27270bf2aa115d71bd0b27114f3234c9be8f4471b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}