{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xb850e8aeccc3adc3aa94263c95845a8c940831eedb704ceb57bca4f02996e30d",
    "signature": "0x4877f01c80dd1ec7fc44be2e6f0d59912e61233f3b2debd17487e44173b1647c002c3d9f1cce381fd26097bb07e943fdb97770e9812388621ade0a991185ca771c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}