{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358998259",
    "entityType": "User",
    "nonce": "0x5a2729be77aaa0cc0c8441fad2c97771d7457b0ed0c922a134fe71eef0bedd06",
    "signature": "0xb1f8f020dae8febb468d550e57552bc97a1b2bc64c3258b0f5472cd243670e9552376df0788fc138ffbecb8e7647a957b71a8464aac6fc4bef61786335bd22b11c",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}