{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5236859c15ab0041cd3ec395135ba4c92cc27dc0e873944718cd463d4ee39d77",
    "signature": "0xff8b78b5fa42b67f4bc5373975fdbed0f09ad1eeb8a7ffc6fc36a5014a5bcb373e30da4d834c397641746a737a4e167e238145654c3e82952c155c5da01e03b81c",
    "signer": "0x84aA84A6ECdC61e03f6A168709915ae4b94bea89",
    "userId": "95459338"
  }
}