{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119984",
    "entityType": "User",
    "nonce": "0x773391b2753f369e7eee68003d88cf0f7a380ad825ab52ae049e70e6929697ef",
    "signature": "0x320bdb1578b675212f9d2f244c94c275e93abfc0ec18cadfce8c29ac58969b4b1b357bc8d470f1b5293d735e6cd5a62d2a8e5b832a514ffaa9a6217b8ebb4a901c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}