{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302607634",
    "entityType": "User",
    "nonce": "0x56c15b8ee060e90f459a166289c40745b2acff3aa23179c7b3f60d75a81aae33",
    "signature": "0xeaabd575cc3a6f25854e0b3ef81fe0ca3e5468bea69d9dec809d99c0b6845fec1f7bd18aaf0153379aaed6829ea96d07544a67ef7188d6059a63a00d03d627a91c",
    "signer": "0x47410F87d501deF23EE7669d7eCDF5f8dD8c235E",
    "userId": "898058634"
  }
}