{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2044",
    "entityType": "User",
    "nonce": "0x26d6b240a88a331a7525ce48d7fd369df59064253b7b2851b616a551f0a5ab8a",
    "signature": "0x2acbbac36004543483f664d087efe128bb3ad29addabd907928fd6767ec41a3956868425e2db1e5e2ecec65d53e6c0a3ac69541ed373baffb0ba2299c91c69881b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}