{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1882667",
    "entityType": "User",
    "nonce": "0xf62992786cae16668fa13c149bfa0fb0d8e9bd8b62cad1f7c329c7630b434386",
    "signature": "0x4323eee819f62d7ae80a31cc3321315814d89fe63d651ae13a7aeef807d225ff1bf55c6e280b232dd58bde0da790d0fac8d476c3668636df0942d1da67c3efdc1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}