{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69922",
    "entityType": "User",
    "nonce": "0xbc0c7ae074c0dfcf0280773f8723425b22fff0680203651cb9cbc603215acb34",
    "signature": "0xf015777611faae3f004f93fa081c422ed74a47ff4521c44983fe007dda83f4444747a6f6a1b7daad1c979b09d14d0acb4eaa3ebd13c12a48192d66e119c1113a1c",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}