{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x90ba565cd2d26921ad73a7de8778e6f3328a9ce3e485fd8c4de0746e7ee2eaac",
    "signature": "0xa05c72faeffce280c43ff92b2bfdae46b02197714dfa7b42bb9cb2296393e8966203a9cc337f6051a2d423b66af5f4aaa0d700061f39eddb2751d8b4ad8a0fd31b",
    "signer": "0x1eE9054C1Fbd103C220810Af04980227e57d33E3",
    "userId": "52328655"
  }
}