{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205511",
    "entityType": "User",
    "nonce": "0xe1ba911a9d95d7400f69be7d4897dc7fcf9e1694eb9dd070e5213ae8303ef84a",
    "signature": "0x5eae06096b04d2c1e4ab034bb2b65058414e64912cae3ff0c0c951fcafd6c05a3f6e1f69c62d0e97235224066a9d391d1bc4fbd42535dc449b2ec2e0204a39b51b",
    "signer": "0x81EFA534196e076193ecAA58E56299e2828d8589",
    "userId": "763716479"
  }
}