{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129844",
    "entityType": "User",
    "nonce": "0x8ae7e7aa8ae5bac8244b96a74bb9d44049201cc26b6e8eab17787bbfd29e0ea0",
    "signature": "0xb3259511b6ac82f476ac8f31b85d28fd2ebe927ad421e12704bbdfdb265eaf0a5957ee6d59b3c2f73cb5fdbf7e27a8b96ff9e555290c9a8861ebe314a1d3ee6f1c",
    "signer": "0x28945B345Dc8334c21B4e932dA506ca6Fac7e18a",
    "userId": "290283513"
  }
}