{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x2cd146f2d9dba389133a3da0beb517409594246014287a05cc812b4cd3a7db47",
    "signature": "0x9e9b2c3c8494796f6c32f0f278440e3df4aa5b65d63b65181d47ee89078d2542699e6159b777debe30c36ce2873cd08d40633c37b90e064221c892733746bfeb1b",
    "signer": "0xdA708531501D4f46C162eDBca1D759CB6e7447c4",
    "userId": "985405611"
  }
}