{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84072274",
    "entityType": "User",
    "nonce": "0x09d6eb018b0af0982dd5aedbbab22bbb7c068ca4e588705639cc880e34140ebd",
    "signature": "0x51450fc59859c9c4730d216da412ea3f0d0d57ed2e1688a1aa036456f99dd9231a5d8e82e63bd93a6dd13c239ae18f6ea1c55b35596ae580adc13d676503b97a1b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}