{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x2731f528ed88f23b9a3e27113a8f210e1bb0d78943d6e3546e90687177f60951",
    "signature": "0x8c4fb66dbb92789e38b21a054e35890cc53da2c07a9441fab3a99a8d12dd2a1666f57c909b81d04a945b92463bd7f4b5019cf4af26078b0cff295b3876702ed21c",
    "signer": "0x07024945569e5721E4d506B01fB850443CF99F65",
    "userId": "871280797"
  }
}