{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "244196",
    "entityType": "User",
    "nonce": "0x7d264dbd399559bba8957dbc0caaeff87d5fb7abaccfb173cf292c4615234c0f",
    "signature": "0xb036fc0bfd55a540c50711689c3876d7950434e77a81bd7fb8f96f2b35494e9d3815120839525b76fd6c2e316faaffd444143fa08f67fa385498f5f20791c1871c",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}