{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110729",
    "entityType": "User",
    "nonce": "0xee05306183a10d8c0b69ad5854df047989eefbfe395e8e40584af96a2ad24c6e",
    "signature": "0xd0cba6ee9de814a907b4ad21898e0a20dca725b591fc5d1681ac6277cd05297c64c525bf20d20a3f9da18057df14122ba5621426c50d7d07cdba6939546c8e2b1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}