{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916757808",
    "entityType": "User",
    "nonce": "0xf9878170b1688b4eb3eeb360e56c8ea33f58472adeeb6bca94fecc431fbcb933",
    "signature": "0x861e0c73cb8375798f8cfb672a2f9998dae332b3fb950a2cc09b121dceb07b450d25c56f1682a6b77ef9798c5171101978bca11f6c123f9f7da54f0b4b923ca51c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}