{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57493",
    "entityType": "User",
    "nonce": "0x72bf0afebb452d306b4dd76dd51700dc8a32f71f750bae2d0e00812d2eeb2e58",
    "signature": "0x5cc7ff2b4beb9df954e67abe31343599450b153d96f1bf0a7ef33b90eea8d0df527b8eba173b96b3223acc6b316423a25e459bba9ea58ee7be341a7aaa7ab57c1b",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}