{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30668",
    "entityType": "User",
    "nonce": "0xc17882a363f0d7753f8e2400ac18cc28fc8e5ec744eafab70b9e587be12b554e",
    "signature": "0x62823822a034ba96602d1d9ce9c72991ffa9f5451916c25bc9bf7f4276153fc90b4907d6232c1c8616b7b7f82e6179322cf9844c5360b111b676ec06db9e1e1a1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}