{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11214",
    "entityType": "User",
    "nonce": "0x5b6678a344510c8c86fd8cb562d8f7e8b0edb00fd7bcc8142ca0e05ca9b7cbf7",
    "signature": "0x86a6f7895c1c6c0b1c1a7ded36c7765df428ed32fe7e09f93c66ae2c151f63ab313879faeec3664ff3197e64d908be581da842bd1355abb2ac6694f123d4eb061c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}