{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "123836",
    "entityType": "User",
    "nonce": "0x1165f7326b3f8f2e62084f5a8ad16c52026c69594bd278a5d3522491234cf96e",
    "signature": "0x6f7d37008538e1acdd7b2e65a757ffb633cd4fe559aae51bc1f05c7ba888b02e463eac67de076d9f0e9bddf4202f5956862cefde08a64f312ba15341f6a7fe6c1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}