{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235383",
    "entityType": "User",
    "nonce": "0xa8c88c6065f5d7ef9ac1bb5791bef9d14dfc27c082849a004bbfd737f8d28920",
    "signature": "0x2357e74dcffd050d306f541b8404c9ee1f650fd8212a672065696de6d9da056f0d249bb3702699352b7a10ef31ea7d4a1bfa7b92bbe2e0bfde89a0afa7c712081b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}